**Zero is an even number.**In other words, its

*parity*—the quality of an integer being even or odd—is even. Coincidentally an even parity is denoted

*parity 0*. Therefore it is true that 0 has parity 0.

Zero fits the definition of an even number: An even number is an integer of the form

*n*= 2*k*where*k*is an integer. It also exhibits all properties shared by all even numbers, including but not limited to:- being divisible by 2
- being surrounded on both sides by odd integers
- able to be split into two equal groups

Zero also fits the rules for sums and products of even numbers, such as

*even − even = even*, so any alternate definition of "even number" would still need to include zero.More: Wikipedia

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