20504517022 has 16 divisors (see below), whose sum is σ = 33560319744. Its totient is φ = 9318159000.

The previous prime is 20504517001. The next prime is 20504517067. The reversal of 20504517022 is 22071540502.

It is a super-5 number, since 5×20504517022⁵ (a number of 53 digits) contains 55555 as substring.

It is a congruent number.

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, 504 + ... + 202507.

It is an arithmetic number, because the mean of its divisors is an integer number (2097519984).

Almost surely, 2^20504517022 is an apocalyptic number.

20504517022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20504517022 is a deficient number, since it is larger than the sum of its proper divisors (13055802722).

20504517022 is a wasteful number, since it uses less digits than its factorization.

20504517022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207615.

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 20504517022 in words is "twenty billion, five hundred four million, five hundred seventeen thousand, twenty-two".