Q: What is the negative version of the number 20,640,851?
A: -20,640,851
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:
| 20,640,849 | 20,640,850 | 20,640,852 | 20,640,853 |
| -20,640,849 | -20,640,850 | -20,640,852 | -20,640,853 |