20522234532 has 24 divisors (see below), whose sum is σ = 47892348000. Its totient is φ = 6839725696.

The previous prime is 20522234531. The next prime is 20522234563. The reversal of 20522234532 is 23543222502.

It is a super-2 number, since 2×20522234532² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20522234532.

It is not an unprimeable number, because it can be changed into a prime (20522234531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41157 + ... + 206732.

It is an arithmetic number, because the mean of its divisors is an integer number (1995514500).

Almost surely, 2^20522234532 is an apocalyptic number.

It is an amenable number.

20522234532 is an abundant number, since it is smaller than the sum of its proper divisors (27370113468).

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

20522234532 is a wasteful number, since it uses less digits than its factorization.

20522234532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254795 (or 254793 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 20522234532 in words is "twenty billion, five hundred twenty-two million, two hundred thirty-four thousand, five hundred thirty-two".