20534524 has 12 divisors (see below), whose sum is σ = 37094848. Its totient is φ = 9936000.

The previous prime is 20534489. The next prime is 20534531. The reversal of 20534524 is 42543502.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 82677 + ... + 82924.

Almost surely, 2^20534524 is an apocalyptic number.

It is an amenable number.

20534524 is a deficient number, since it is larger than the sum of its proper divisors (16560324).

20534524 is a wasteful number, since it uses less digits than its factorization.

20534524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165636 (or 165634 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 20534524 is about 4531.5035032536. The cubic root of 20534524 is about 273.8387350905.

The spelling of 20534524 in words is "twenty million, five hundred thirty-four thousand, five hundred twenty-four".