Q: What is the negative version of the number 20,131,399?
A: -20,131,399
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:
| 20,131,397 | 20,131,398 | 20,131,400 | 20,131,401 |
| -20,131,397 | -20,131,398 | -20,131,400 | -20,131,401 |