20522332422 has 32 divisors (see below), whose sum is σ = 45626112000. Its totient is φ = 6837638184.

The previous prime is 20522332417. The next prime is 20522332433. The reversal of 20522332422 is 22423322502.

20522332422 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 233 + 2 + 422 = 666.

It is a super-2 number, since 2×20522332422² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33079 + ... + 205277.

It is an arithmetic number, because the mean of its divisors is an integer number (1425816000).

Almost surely, 2^20522332422 is an apocalyptic number.

20522332422 is an abundant number, since it is smaller than the sum of its proper divisors (25103779578).

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

20522332422 is a wasteful number, since it uses less digits than its factorization.

20522332422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174417 (or 174411 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20522332422 its reverse (22423322502), we get a palindrome (42945654924).

The spelling of 20522332422 in words is "twenty billion, five hundred twenty-two million, three hundred thirty-two thousand, four hundred twenty-two".