20202015522 has 32 divisors (see below), whose sum is σ = 43560159552. Its totient is φ = 6209129664.

The previous prime is 20202015521. The next prime is 20202015527. The reversal of 20202015522 is 22551020202.

It is a super-2 number, since 2×20202015522² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202015521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72033 + ... + 213524.

It is an arithmetic number, because the mean of its divisors is an integer number (1361254986).

Almost surely, 2^20202015522 is an apocalyptic number.

20202015522 is an abundant number, since it is smaller than the sum of its proper divisors (23358144030).

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

20202015522 is a wasteful number, since it uses less digits than its factorization.

20202015522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286482.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 20202015522 its reverse (22551020202), we get a palindrome (42753035724).

The spelling of 20202015522 in words is "twenty billion, two hundred two million, fifteen thousand, five hundred twenty-two".