Any number that can be divided by 2 is called an **even number**.

Examples of even numbers are 2, 4, 6, 8, 10, 22, 144 and 2020.

If a number ends with an even digit, then it is even. For example 1 023 458 is even, because its final digit (8) is even.

Any number that cannot be divided by 2 is called an **odd number**.

Examples of odd numbers are 1, 3, 5, 7, 9, 35, 177, 2435, etc.

If a number ends with an odd digit, then it is odd. For example 3 702 443 is odd, because its final digit (3) is odd.

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