Q: What is the negative version of the number 21,904,820?
A: -21,904,820
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,904,818 | 21,904,819 | 21,904,821 | 21,904,822 |
| -21,904,818 | -21,904,819 | -21,904,821 | -21,904,822 |