20325297090912 has 48 divisors (see below), whose sum is σ = 58204259854272. Its totient is φ = 6159180936320.

The previous prime is 20325297090907. The next prime is 20325297091003. The reversal of 20325297090912 is 21909079252302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 9623719158 + ... + 9623721269.

It is an arithmetic number, because the mean of its divisors is an integer number (1212588746964).

Almost surely, 2^{20325297090912} is an apocalyptic number.

20325297090912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20325297090912 is an abundant number, since it is smaller than the sum of its proper divisors (37878962763360).

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

20325297090912 is a wasteful number, since it uses less digits than its factorization.

20325297090912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19247440451 (or 19247440443 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 20325297090912 in words is "twenty trillion, three hundred twenty-five billion, two hundred ninety-seven million, ninety thousand, nine hundred twelve".