Q: What is the negative version of the number 20,501,778?
A: -20,501,778
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:
| 20,501,776 | 20,501,777 | 20,501,779 | 20,501,780 |
| -20,501,776 | -20,501,777 | -20,501,779 | -20,501,780 |