20882079 has 12 divisors (see below), whose sum is σ = 30899232. Its totient is φ = 13581600.

The previous prime is 20882033. The next prime is 20882087. The reversal of 20882079 is 97028802.

It is not a de Polignac number, because 20882079 - 2¹³ = 20873887 is a prime.

It is a super-2 number, since 2×20882079² = 872122446724482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27927 + ... + 28664.

It is an arithmetic number, because the mean of its divisors is an integer number (2574936).

Almost surely, 2^20882079 is an apocalyptic number.

20882079 is a deficient number, since it is larger than the sum of its proper divisors (10017153).

20882079 is a wasteful number, since it uses less digits than its factorization.

20882079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56638 (or 56635 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 20882079 is about 4569.6913462509. The cubic root of 20882079 is about 275.3750431072.

The spelling of 20882079 in words is "twenty million, eight hundred eighty-two thousand, seventy-nine".