20382832 has 20 divisors (see below), whose sum is σ = 39671320. Its totient is φ = 10145088.

The previous prime is 20382823. The next prime is 20382833. The reversal of 20382832 is 23828302.

It is a self number, because there is not a number n which added to its sum of digits gives 20382832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883 + ... + 6445.

It is an arithmetic number, because the mean of its divisors is an integer number (1983566).

Almost surely, 2^20382832 is an apocalyptic number.

It is an amenable number.

20382832 is a deficient number, since it is larger than the sum of its proper divisors (19288488).

20382832 is a wasteful number, since it uses less digits than its factorization.

20382832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5794 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20382832 is about 4514.7349866853. The cubic root of 20382832 is about 273.1627701834.

The spelling of 20382832 in words is "twenty million, three hundred eighty-two thousand, eight hundred thirty-two".