Q: What is the negative version of the number 20,640,223?
A: -20,640,223
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:
| 20,640,221 | 20,640,222 | 20,640,224 | 20,640,225 |
| -20,640,221 | -20,640,222 | -20,640,224 | -20,640,225 |