20823232 has 28 divisors (see below), whose sum is σ = 43754040. Its totient is φ = 9798656.

The previous prime is 20823169. The next prime is 20823239. The reversal of 20823232 is 23232802.

It is not an unprimeable number, because it can be changed into a prime (20823239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8482 + ... + 10657.

Almost surely, 2^20823232 is an apocalyptic number.

It is an amenable number.

20823232 is an abundant number, since it is smaller than the sum of its proper divisors (22930808).

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

20823232 is a wasteful number, since it uses less digits than its factorization.

20823232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19168 (or 19158 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20823232 is about 4563.2479660873. The cubic root of 20823232 is about 275.1161250613.

The spelling of 20823232 in words is "twenty million, eight hundred twenty-three thousand, two hundred thirty-two".