20012524 has 24 divisors (see below), whose sum is σ = 40188960. Its totient is φ = 8541696.

The previous prime is 20012479. The next prime is 20012543. The reversal of 20012524 is 42521002.

It is a super-2 number, since 2×20012524² = 801002233701152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012498 and 20012507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (1674540).

Almost surely, 2^20012524 is an apocalyptic number.

It is an amenable number.

20012524 is an abundant number, since it is smaller than the sum of its proper divisors (20176436).

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

20012524 is a wasteful number, since it uses less digits than its factorization.

20012524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20012524 is about 4473.5359616304. The cubic root of 20012524 is about 271.4984087807.

Adding to 20012524 its reverse (42521002), we get a palindrome (62533526).

It can be divided in two parts, 2001252 and 4, that multiplied together give a palindrome (8005008).

The spelling of 20012524 in words is "twenty million, twelve thousand, five hundred twenty-four".