Q: What is the negative version of the number 20,905,815?
A: -20,905,815
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:
| 20,905,813 | 20,905,814 | 20,905,816 | 20,905,817 |
| -20,905,813 | -20,905,814 | -20,905,816 | -20,905,817 |