20522645622 has 16 divisors (see below), whose sum is σ = 45605879280. Its totient is φ = 6840881856.

The previous prime is 20522645569. The next prime is 20522645639. The reversal of 20522645622 is 22654622502.

20522645622 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 645 + 6 + 2 + 2 = 666.

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, 190024443 + ... + 190024550.

It is an arithmetic number, because the mean of its divisors is an integer number (2850367455).

Almost surely, 2^20522645622 is an apocalyptic number.

20522645622 is an abundant number, since it is smaller than the sum of its proper divisors (25083233658).

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

20522645622 is a wasteful number, since it uses less digits than its factorization.

20522645622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380049004 (or 380048998 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 20522645622 in words is "twenty billion, five hundred twenty-two million, six hundred forty-five thousand, six hundred twenty-two".