20275232 has 24 divisors (see below), whose sum is σ = 40597200. Its totient is φ = 9964864.

The previous prime is 20275219. The next prime is 20275247. The reversal of 20275232 is 23257202.

It is a super-2 number, since 2×20275232² = 822170065307648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20275198 and 20275207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3482 + ... + 7257.

It is an arithmetic number, because the mean of its divisors is an integer number (1691550).

Almost surely, 2^20275232 is an apocalyptic number.

It is an amenable number.

20275232 is an abundant number, since it is smaller than the sum of its proper divisors (20321968).

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

20275232 is a wasteful number, since it uses less digits than its factorization.

20275232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10808 (or 10800 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20275232 is about 4502.8026827744. The cubic root of 20275232 is about 272.6812507933.

The spelling of 20275232 in words is "twenty million, two hundred seventy-five thousand, two hundred thirty-two".