Q: What is the negative version of the number 20,515,521?
A: -20,515,521
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:
20,515,519 | 20,515,520 | 20,515,522 | 20,515,523 |
-20,515,519 | -20,515,520 | -20,515,522 | -20,515,523 |