20593774968 has 32 divisors (see below), whose sum is σ = 55444779600. Its totient is φ = 6336546048.

The previous prime is 20593774963. The next prime is 20593774969. The reversal of 20593774968 is 86947739502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20593774961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33002533 + ... + 33003156.

Almost surely, 2^20593774968 is an apocalyptic number.

It is an amenable number.

20593774968 is an abundant number, since it is smaller than the sum of its proper divisors (34851004632).

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

20593774968 is a wasteful number, since it uses less digits than its factorization.

20593774968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66005711 (or 66005707 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 20593774968 in words is "twenty billion, five hundred ninety-three million, seven hundred seventy-four thousand, nine hundred sixty-eight".