20932152 has 16 divisors (see below), whose sum is σ = 52330440. Its totient is φ = 6977376.

The previous prime is 20932147. The next prime is 20932157. The reversal of 20932152 is 25123902.

It is an interprime number because it is at equal distance from previous prime (20932147) and next prime (20932157).

It is a super-2 number, since 2×20932152² = 876309974702208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 872173 = 20932152 / (2 + 0 + 9 + 3 + 2 + 1 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20932157) 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, 436063 + ... + 436110.

Almost surely, 2^20932152 is an apocalyptic number.

It is an amenable number.

20932152 is an abundant number, since it is smaller than the sum of its proper divisors (31398288).

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

20932152 is a wasteful number, since it uses less digits than its factorization.

20932152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872182 (or 872178 counting only the distinct ones).

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

The square root of 20932152 is about 4575.1668822022. The cubic root of 20932152 is about 275.5949740791.

The spelling of 20932152 in words is "twenty million, nine hundred thirty-two thousand, one hundred fifty-two".