20876 has 12 divisors (see below), whose sum is σ = 38808. Its totient is φ = 9792.

The previous prime is 20873. The next prime is 20879. The reversal of 20876 is 67802.

It is an interprime number because it is at equal distance from previous prime (20873) and next prime (20879).

It is a cake number, because a cake can be divided into 20876 parts by 50 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (20873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 221.

It is an arithmetic number, because the mean of its divisors is an integer number (3234).

2²⁰⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

20876 is a deficient number, since it is larger than the sum of its proper divisors (17932).

20876 is a wasteful number, since it uses less digits than its factorization.

20876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20876 is about 144.4852933693. The cubic root of 20876 is about 27.5348318959.

The spelling of 20876 in words is "twenty thousand, eight hundred seventy-six".