Q: What is the negative version of the number 20,405,137?
A: -20,405,137
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:
| 20,405,135 | 20,405,136 | 20,405,138 | 20,405,139 |
| -20,405,135 | -20,405,136 | -20,405,138 | -20,405,139 |