20369532 has 12 divisors (see below), whose sum is σ = 47528936. Its totient is φ = 6789840.

The previous prime is 20369527. The next prime is 20369549. The reversal of 20369532 is 23596302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20369532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848719 + ... + 848742.

Almost surely, 2^20369532 is an apocalyptic number.

It is an amenable number.

20369532 is an abundant number, since it is smaller than the sum of its proper divisors (27159404).

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

20369532 is a wasteful number, since it uses less digits than its factorization.

20369532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697468 (or 1697466 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 20369532 is about 4513.2617916536. The cubic root of 20369532 is about 273.1033434506.

The spelling of 20369532 in words is "twenty million, three hundred sixty-nine thousand, five hundred thirty-two".