20 in Words
How do you write 20 in words?
The number 20 is written twenty in words. As an ordinal it is twentieth, and on a check you would write Twenty and 00/100.
Last updated 24 August 2026
Other ways to write it
| Cardinal | twenty |
|---|---|
| Ordinal | twentieth |
| Currency | twenty dollars |
| Check format | Twenty and 00/100 |
How 20 is written
20 occupies one place value, 20 in the tens place, and is written twenty.
Its ordinal form is twentieth — only the final element takes the ordinal ending — and on a check the amount line reads "Twenty and 00/100", where 00/100 stands for zero cents.
For house-style rules on spelling out numbers, see the Chicago Manual of Style.
Facts about 20
- 20 is an even number.
- It is not a prime number.
- Digit sum: 2.
- Roman numerals: XX.
- Binary: 10100.
- Hexadecimal: 14.
| Digit | Place |
|---|---|
| 2 | tens |
| 0 | ones |
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Frequently asked questions
How do you write 20 in words?
20 in words is "twenty".
How do you spell 20?
20 is spelled "twenty".
How do you write 20 on a check?
On a check, write "Twenty and 00/100".