20536832 has 20 divisors (see below), whose sum is σ = 41034576. Its totient is φ = 10268160.

The previous prime is 20536829. The next prime is 20536837. The reversal of 20536832 is 23863502.

It is a super-2 number, since 2×20536832² = 843522937192448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20536795 and 20536804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20536837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19544 + ... + 20567.

Almost surely, 2^20536832 is an apocalyptic number.

It is an amenable number.

20536832 is a deficient number, since it is larger than the sum of its proper divisors (20497744).

20536832 is an frugal number, since it uses more digits than its factorization.

20536832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129 (or 40113 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 20536832 is about 4531.7581577132. The cubic root of 20536832 is about 273.8489941729.

The spelling of 20536832 in words is "twenty million, five hundred thirty-six thousand, eight hundred thirty-two".