20595882 has 16 divisors (see below), whose sum is σ = 42150240. Its totient is φ = 6705552.

The previous prime is 20595871. The next prime is 20595889. The reversal of 20595882 is 28859502.

It is a self number, because there is not a number n which added to its sum of digits gives 20595882.

It is not an unprimeable number, because it can be changed into a prime (20595889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39657 + ... + 40172.

It is an arithmetic number, because the mean of its divisors is an integer number (2634390).

Almost surely, 2^20595882 is an apocalyptic number.

20595882 is an abundant number, since it is smaller than the sum of its proper divisors (21554358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20595882 is a wasteful number, since it uses less digits than its factorization.

20595882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79877.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 20595882 is about 4538.2686125878. The cubic root of 20595882 is about 274.1112110049. Note that the first 3 decimals are identical.

The spelling of 20595882 in words is "twenty million, five hundred ninety-five thousand, eight hundred eighty-two".