Q: What is the negative version of the number 20,201,780?
A: -20,201,780
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:
| 20,201,778 | 20,201,779 | 20,201,781 | 20,201,782 |
| -20,201,778 | -20,201,779 | -20,201,781 | -20,201,782 |