20882159 has 16 divisors (see below), whose sum is σ = 22744800. Its totient is φ = 19109376.

The previous prime is 20882153. The next prime is 20882167. The reversal of 20882159 is 95128802.

It is a cyclic number.

It is not a de Polignac number, because 20882159 - 2⁴ = 20882143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89507 + ... + 89739.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^20882159 is an apocalyptic number.

20882159 is a deficient number, since it is larger than the sum of its proper divisors (1862641).

20882159 is a wasteful number, since it uses less digits than its factorization.

20882159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 20882159 is about 4569.7000995689. The cubic root of 20882159 is about 275.3753947640.

The spelling of 20882159 in words is "twenty million, eight hundred eighty-two thousand, one hundred fifty-nine".