Q: What is the negative version of the number 20,331,221?
A: -20,331,221
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:
| 20,331,219 | 20,331,220 | 20,331,222 | 20,331,223 |
| -20,331,219 | -20,331,220 | -20,331,222 | -20,331,223 |