20590859095992 has 192 divisors, whose sum is σ = 60010967016000. Its totient is φ = 6362084382720.

The previous prime is 20590859095981. The next prime is 20590859096047. The reversal of 20590859095992 is 29959095809502.

20590859095992 is a `hidden beast` number, since 20 + 5 + 9 + 0 + 8 + 5 + 9 + 0 + 9 + 599 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 20590859095992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9098818 + ... + 11134190.

It is an arithmetic number, because the mean of its divisors is an integer number (312557119875).

Almost surely, 2^{20590859095992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20590859095992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30005483508000).

20590859095992 is an abundant number, since it is smaller than the sum of its proper divisors (39420107920008).

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

20590859095992 is a wasteful number, since it uses less digits than its factorization.

20590859095992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035598 (or 2035591 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 72.

The spelling of 20590859095992 in words is "twenty trillion, five hundred ninety billion, eight hundred fifty-nine million, ninety-five thousand, nine hundred ninety-two".