20312952 has 32 divisors (see below), whose sum is σ = 55399680. Its totient is φ = 6155360.

The previous prime is 20312951. The next prime is 20312959. The reversal of 20312952 is 25921302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38208 + ... + 38735.

It is an arithmetic number, because the mean of its divisors is an integer number (1731240).

Almost surely, 2^20312952 is an apocalyptic number.

20312952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20312952 is an abundant number, since it is smaller than the sum of its proper divisors (35086728).

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

20312952 is a wasteful number, since it uses less digits than its factorization.

20312952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76963 (or 76959 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20312952 is about 4506.9892389488. The cubic root of 20312952 is about 272.8502445845.

The spelling of 20312952 in words is "twenty million, three hundred twelve thousand, nine hundred fifty-two".