Q: What is the negative version of the number 20,100,640?
A: -20,100,640
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:
| 20,100,638 | 20,100,639 | 20,100,641 | 20,100,642 |
| -20,100,638 | -20,100,639 | -20,100,641 | -20,100,642 |