Q: What is the negative version of the number 820,485,609?
A: -820,485,609
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:
| 820,485,607 | 820,485,608 | 820,485,610 | 820,485,611 |
| -820,485,607 | -820,485,608 | -820,485,610 | -820,485,611 |