Q: What is the negative version of the number 21,720,169?
A: -21,720,169
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:
| 21,720,167 | 21,720,168 | 21,720,170 | 21,720,171 |
| -21,720,167 | -21,720,168 | -21,720,170 | -21,720,171 |