Q: What is the negative version of the number 21,870,920?
A: -21,870,920
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:
| 21,870,918 | 21,870,919 | 21,870,921 | 21,870,922 |
| -21,870,918 | -21,870,919 | -21,870,921 | -21,870,922 |