Q: What is the negative version of the number 20,171,390?
A: -20,171,390
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:
| 20,171,388 | 20,171,389 | 20,171,391 | 20,171,392 |
| -20,171,388 | -20,171,389 | -20,171,391 | -20,171,392 |