Q: What is the negative version of the number 20,210,909?
A: -20,210,909
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:
| 20,210,907 | 20,210,908 | 20,210,910 | 20,210,911 |
| -20,210,907 | -20,210,908 | -20,210,910 | -20,210,911 |