Q: What is the negative version of the number 20,643,517?
A: -20,643,517
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:
| 20,643,515 | 20,643,516 | 20,643,518 | 20,643,519 |
| -20,643,515 | -20,643,516 | -20,643,518 | -20,643,519 |