20839032 has 40 divisors (see below), whose sum is σ = 58370400. Its totient is φ = 6946128.

The previous prime is 20839009. The next prime is 20839033. The reversal of 20839032 is 23093802.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20838987 and 20839005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20839033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15432 + ... + 16727.

It is an arithmetic number, because the mean of its divisors is an integer number (1459260).

Almost surely, 2^20839032 is an apocalyptic number.

It is an amenable number.

20839032 is an abundant number, since it is smaller than the sum of its proper divisors (37531368).

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

20839032 is a wasteful number, since it uses less digits than its factorization.

20839032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32177 (or 32164 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20839032 is about 4564.9788608492. The cubic root of 20839032 is about 275.1856905643.

The spelling of 20839032 in words is "twenty million, eight hundred thirty-nine thousand, thirty-two".