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 19 June 2026
Other ways to write it
| Cardinal | twenty |
|---|---|
| Ordinal | twentieth |
| Currency | twenty dollars |
| Check format | Twenty and 00/100 |
How number-to-words spelling works
A cardinal number names a quantity (twenty), while an ordinal names a position (twentieth). English hyphenates compound numbers from twenty-one to ninety-nine and groups digits into thousands, millions, and billions.
For house-style rules on spelling out numbers, see the Chicago Manual of Style, or read our guide to spelling numbers in words.
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".