Q: What is the negative version of the number 20,168,721?
A: -20,168,721
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:
| 20,168,719 | 20,168,720 | 20,168,722 | 20,168,723 |
| -20,168,719 | -20,168,720 | -20,168,722 | -20,168,723 |