20882871 has 36 divisors (see below), whose sum is σ = 32610240. Its totient is φ = 12862080.

The previous prime is 20882857. The next prime is 20882887. The reversal of 20882871 is 17828802.

It is not a de Polignac number, because 20882871 - 2¹⁵ = 20850103 is a prime.

20882871 is a modest number, since divided by 2871 gives 2088 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234595 + ... + 234683.

It is an arithmetic number, because the mean of its divisors is an integer number (905840).

Almost surely, 2^20882871 is an apocalyptic number.

20882871 is a deficient number, since it is larger than the sum of its proper divisors (11727369).

20882871 is a wasteful number, since it uses less digits than its factorization.

20882871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 20882871 is about 4569.7780033608. The cubic root of 20882871 is about 275.3785244700.

The spelling of 20882871 in words is "twenty million, eight hundred eighty-two thousand, eight hundred seventy-one".