Q: What is the negative version of the number 20,505,220?
A: -20,505,220
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:
| 20,505,218 | 20,505,219 | 20,505,221 | 20,505,222 |
| -20,505,218 | -20,505,219 | -20,505,221 | -20,505,222 |