522545350320020 has 48 divisors (see below), whose sum is σ = 1107607077194688. Its totient is φ = 207063525795840.

The previous prime is 522545350320013. The next prime is 522545350320083. The reversal of 522545350320020 is 20023053545225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443510900 + ... + 444687540.

It is an arithmetic number, because the mean of its divisors is an integer number (23075147441556).

Almost surely, 2^{522545350320020} is an apocalyptic number.

It is an amenable number.

522545350320020 is an abundant number, since it is smaller than the sum of its proper divisors (585061726874668).

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

522545350320020 is a wasteful number, since it uses less digits than its factorization.

522545350320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384280 (or 1384278 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 522545350320020 in words is "five hundred twenty-two trillion, five hundred forty-five billion, three hundred fifty million, three hundred twenty thousand, twenty".