20522120244525 has 96 divisors (see below), whose sum is σ = 38128574793600. Its totient is φ = 10820708236800.

The previous prime is 20522120244497. The next prime is 20522120244529. The reversal of 20522120244525 is 52544202122502.

20522120244525 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 1 + 202 + 445 + 2 + 5 = 666.

It is not a de Polignac number, because 20522120244525 - 2⁷ = 20522120244397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20522120244525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522120244529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 568351522 + ... + 568387628.

It is an arithmetic number, because the mean of its divisors is an integer number (397172654100).

Almost surely, 2^{20522120244525} is an apocalyptic number.

20522120244525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20522120244525 is a deficient number, since it is larger than the sum of its proper divisors (17606454549075).

20522120244525 is a wasteful number, since it uses less digits than its factorization.

20522120244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45676 (or 45665 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 20522120244525 in words is "twenty trillion, five hundred twenty-two billion, one hundred twenty million, two hundred forty-four thousand, five hundred twenty-five".