Q: What is the negative version of the number 20,231,221?
A: -20,231,221
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:
| 20,231,219 | 20,231,220 | 20,231,222 | 20,231,223 |
| -20,231,219 | -20,231,220 | -20,231,222 | -20,231,223 |