20732552 has 32 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 9782400.

The previous prime is 20732513. The next prime is 20732567. The reversal of 20732552 is 25523702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9149 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^20732552 is an apocalyptic number.

It is an amenable number.

20732552 is a deficient number, since it is larger than the sum of its proper divisors (20393848).

20732552 is a wasteful number, since it uses less digits than its factorization.

20732552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 20732552 is about 4553.3012199941. The cubic root of 20732552 is about 274.7161898428.

The spelling of 20732552 in words is "twenty million, seven hundred thirty-two thousand, five hundred fifty-two".