20522164106524 has 24 divisors (see below), whose sum is σ = 36837326888208. Its totient is φ = 9997861100160.

The previous prime is 20522164106413. The next prime is 20522164106579. The reversal of 20522164106524 is 42560146122502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80814462 + ... + 81068005.

It is an arithmetic number, because the mean of its divisors is an integer number (1534888620342).

Almost surely, 2^{20522164106524} is an apocalyptic number.

It is an amenable number.

20522164106524 is a deficient number, since it is larger than the sum of its proper divisors (16315162781684).

20522164106524 is a wasteful number, since it uses less digits than its factorization.

20522164106524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161883285 (or 161883283 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 20522164106524 in words is "twenty trillion, five hundred twenty-two billion, one hundred sixty-four million, one hundred six thousand, five hundred twenty-four".