20890653052524 has 48 divisors (see below), whose sum is σ = 51311172729600. Its totient is φ = 6596945885376.

The previous prime is 20890653052499. The next prime is 20890653052541. The reversal of 20890653052524 is 42525035609802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14736762 + ... + 16092030.

It is an arithmetic number, because the mean of its divisors is an integer number (1068982765200).

Almost surely, 2^{20890653052524} is an apocalyptic number.

It is an amenable number.

20890653052524 is an abundant number, since it is smaller than the sum of its proper divisors (30420519677076).

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

20890653052524 is a wasteful number, since it uses less digits than its factorization.

20890653052524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422902 (or 1422900 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 20890653052524 in words is "twenty trillion, eight hundred ninety billion, six hundred fifty-three million, fifty-two thousand, five hundred twenty-four".