Q: What is the negative version of the number 20,509,751?
A: -20,509,751
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:
| 20,509,749 | 20,509,750 | 20,509,752 | 20,509,753 |
| -20,509,749 | -20,509,750 | -20,509,752 | -20,509,753 |