Q: What is the negative version of the number 20,405,557?
A: -20,405,557
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:
| 20,405,555 | 20,405,556 | 20,405,558 | 20,405,559 |
| -20,405,555 | -20,405,556 | -20,405,558 | -20,405,559 |