20617033052844 has 96 divisors (see below), whose sum is σ = 57698843328000. Its totient is φ = 6346872721728.

The previous prime is 20617033052813. The next prime is 20617033052899. The reversal of 20617033052844 is 44825033071602.

20617033052844 is a `hidden beast` number, since 2 + 0 + 61 + 7 + 0 + 3 + 305 + 284 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20617033052844.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143030254 + ... + 143174325.

It is an arithmetic number, because the mean of its divisors is an integer number (601029618000).

Almost surely, 2^{20617033052844} is an apocalyptic number.

It is an amenable number.

20617033052844 is an abundant number, since it is smaller than the sum of its proper divisors (37081810275156).

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

20617033052844 is a wasteful number, since it uses less digits than its factorization.

20617033052844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286204644 (or 286204636 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 20617033052844 in words is "twenty trillion, six hundred seventeen billion, thirty-three million, fifty-two thousand, eight hundred forty-four".