
What is the Number Name of 20 in Maths
The concept of 20 in words is essential in mathematics and helps in solving real-world and exam-level problems efficiently. Knowing how to write numbers in words, such as 20, improves your number sense, supports accurate writing in exams, and is useful in daily activities like writing cheques and reading banknotes.
Understanding 20 in Words
A number name is the way we express a number in the form of words. For the number 20, the number name is “twenty”. This helps in reading, writing, and speaking numbers clearly in mathematics, daily conversations, and written communication. Number names like "20 in words" are used in spelling, writing numbers on forms, and understanding number patterns for foundational maths.
How to Write 20 in Words
To write the number 20 in words, follow these steps:
1. Look at the digits: 20 has a “2” in the tens place and a “0” in the ones place.2. The number in the tens place (2) stands for "twenty".
3. Since the ones place is 0, you just use “twenty” without adding any more words.
4. Thus, 20 in words is spelled as: twenty.
In Hindi, 20 in words is “बीस” (bees). In Marathi, it is also “वीस” (vees). Number names give clarity in all languages.
Number Names from 1 to 30
Here’s a helpful table to understand 20 in words more clearly with its place in the sequence:
Number Name Table (1–30)
| Number | In Words |
|---|---|
| 18 | eighteen |
| 19 | nineteen |
| 20 | twenty |
| 21 | twenty-one |
| 22 | twenty-two |
| 23 | twenty-three |
| 24 | twenty-four |
| 25 | twenty-five |
| 26 | twenty-six |
| 27 | twenty-seven |
| 28 | twenty-eight |
| 29 | twenty-nine |
| 30 | thirty |
This table shows that “twenty” is the word form for 20, and helps to see its sequence with other numbers' names.
Worked Example – Step-by-Step Solution
Let’s see how “20 in words” appears in real problems.
1. Problem: Write 120 – 100 in words.Step 1: Calculate 120 – 100 = 20.
Step 2: Write the answer in words: twenty.
2. Problem: Express “twenty plus forty” in words.
Step 1: Twenty = 20, Forty = 40.
Step 2: Add: 20 + 40 = 60.
Step 3: 60 in words is “sixty”.
So, “twenty plus forty” in words is “sixty”.
How to Write 20 in Words for Money (Rupees)
When writing cheques or explaining amounts, Rs. 20 in words is written as:
Rupees twenty only
This format helps prevent fraud and meets bank requirements.
20 in Words in Different Languages
You can also write 20 in words in other languages:
1. English: twenty2. Hindi: बीस (bees)
3. Marathi: वीस (vees)
4. Tagalog (Filipino): dalawampu
Using number names across languages is useful for students learning in multilingual classrooms and for parents helping with studies at home.
Common Mistakes to Avoid
- Misspelling "twenty" as “twenty” or “tventy”.
- Writing “twenty zero” or “two zero” instead of the correct word form.
- Adding extra words like “and” (e.g., “twenty and”) when only “twenty” is correct for 20.
Real-World Applications
The number name “twenty” is used in registers, bank forms, currency transactions, filling exam sheets, writing age, and while counting or distributing items. Vedantu helps students connect these number names to real scenarios for stronger retention.
We explored the idea of 20 in words, how to write it in English and other languages, examples of its use in different situations, common mistakes, and why this number name is needed in practical applications. Practice more with Vedantu to gain confidence in converting numbers into words and using them in daily life and exams.
FAQs on How to Write 20 in Words with Correct Spelling
1. What is 20 in words?
The number 20 in words is written as “twenty”. It is a two-digit natural number that comes after 19 and before 21. In place value terms, 20 has:
- 2 tens
- 0 ones
2. How do you write 20 in words in English?
You write 20 in words as “twenty” in English. Follow these simple steps:
- Identify the tens digit (2).
- Recognize that 2 in the tens place means 2 × 10 = 20.
- The standard spelling for 20 is twenty.
3. How do you spell 20 correctly?
The correct spelling of 20 is twenty. A common mistake is writing “twenty” as “twentee” or “twnety,” which is incorrect. Remember:
- It starts with twen-
- It ends with -ty
4. What is the place value of 20?
The place value of 20 shows that it has 2 tens and 0 ones. In expanded form:
- 20 = (2 × 10) + (0 × 1)
5. How do you write 20 in expanded form?
The expanded form of 20 is 20 = 2 × 10 + 0 × 1. This shows the place value of each digit:
- 2 represents two tens (20).
- 0 represents zero ones.
6. What is 20 in Roman numerals?
The number 20 in Roman numerals is written as XX. Since X represents 10, we add two X symbols:
- X = 10
- X + X = 10 + 10 = 20
7. Is 20 an even number?
Yes, 20 is an even number because it is divisible by 2 without any remainder. When we divide 20 by 2:
- 20 ÷ 2 = 10
8. Is 20 a prime number or a composite number?
The number 20 is a composite number because it has more than two factors. Its factors are:
- 1, 2, 4, 5, 10, 20
9. What are the factors of 20?
The factors of 20 are 1, 2, 4, 5, 10, and 20. These are the numbers that divide 20 exactly without leaving a remainder. For example:
- 20 ÷ 4 = 5
- 20 ÷ 5 = 4
10. Can you give an example sentence using 20 in words?
An example sentence using 20 in words is: “There are twenty students in the class.” In maths or daily usage, writing numbers in words is common in:
- Cheques (e.g., Twenty dollars)
- Formal documents
- Primary school number writing exercises









