Q: What is the negative version of the number 20,215,545?
A: -20,215,545
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:
| 20,215,543 | 20,215,544 | 20,215,546 | 20,215,547 |
| -20,215,543 | -20,215,544 | -20,215,546 | -20,215,547 |