720 in Words
How do you write 720 in words?
The number 720 is written seven hundred twenty in words. As an ordinal it is seven hundred twentieth, and on a check you would write Seven hundred twenty and 00/100.
Last updated 19 June 2026
Other ways to write it
| Cardinal | seven hundred twenty |
|---|---|
| Ordinal | seven hundred twentieth |
| Currency | seven hundred twenty dollars |
| Check format | Seven hundred twenty and 00/100 |
How number-to-words spelling works
A cardinal number names a quantity (seven hundred twenty), while an ordinal names a position (seven hundred 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 720
- 720 is an even number.
- It is not a prime number.
- Digit sum: 9.
- Roman numerals: DCCXX.
- Binary: 1011010000.
- Hexadecimal: 2D0.
| Digit | Place |
|---|---|
| 7 | hundreds |
| 2 | tens |
| 0 | ones |
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Frequently asked questions
How do you write 720 in words?
720 in words is "seven hundred twenty".
How do you spell 720?
720 is spelled "seven hundred twenty".
How do you write 720 on a check?
On a check, write "Seven hundred twenty and 00/100".