20252544205522 has 16 divisors (see below), whose sum is σ = 32501925993600. Its totient is φ = 9436043028240.

The previous prime is 20252544205513. The next prime is 20252544205603. The reversal of 20252544205522 is 22550244525202.

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, 4368536122 + ... + 4368540757.

It is an arithmetic number, because the mean of its divisors is an integer number (2031370374600).

Almost surely, 2^{20252544205522} is an apocalyptic number.

20252544205522 is a deficient number, since it is larger than the sum of its proper divisors (12249381788078).

20252544205522 is a wasteful number, since it uses less digits than its factorization.

20252544205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737076961.

The product of its (nonzero) digits is 640000, while the sum is 40.

The spelling of 20252544205522 in words is "twenty trillion, two hundred fifty-two billion, five hundred forty-four million, two hundred five thousand, five hundred twenty-two".