Q: What is the negative version of the number 20,645,139?
A: -20,645,139
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:
| 20,645,137 | 20,645,138 | 20,645,140 | 20,645,141 |
| -20,645,137 | -20,645,138 | -20,645,140 | -20,645,141 |