# What is the opposite of a number?

The opposite of a number is its additive inverse.

## Answer: The opposite of a number is the number that is situated at the same distance from 0 but in the opposite direction on a number line.

Let's find the opposite of a number on the number line.

**Explanation:**

The opposite of a number 'a' is equal to '-a', and of a number '-a' is 'a'.

For example, the opposite of 20 is -20.