Q: What is the negative version of the number 20,531,009?
A: -20,531,009
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:
| 20,531,007 | 20,531,008 | 20,531,010 | 20,531,011 |
| -20,531,007 | -20,531,008 | -20,531,010 | -20,531,011 |