20359512068 has 12 divisors (see below), whose sum is σ = 40719024192. Its totient is φ = 8725505160.

The previous prime is 20359512067. The next prime is 20359512091. The reversal of 20359512068 is 86021595302.

20359512068 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20359512067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363562688 + ... + 363562743.

It is an arithmetic number, because the mean of its divisors is an integer number (3393252016).

Almost surely, 2^20359512068 is an apocalyptic number.

20359512068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20359512068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20359512068 is a wasteful number, since it uses less digits than its factorization.

20359512068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727125442 (or 727125440 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 20359512068 in words is "twenty billion, three hundred fifty-nine million, five hundred twelve thousand, sixty-eight".