20163313490928 has 80 divisors (see below), whose sum is σ = 52417766119680. Its totient is φ = 6678705180672.

The previous prime is 20163313490833. The next prime is 20163313490951. The reversal of 20163313490928 is 82909431336102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6947653 + ... + 9412571.

It is an arithmetic number, because the mean of its divisors is an integer number (655222076496).

Almost surely, 2^{20163313490928} is an apocalyptic number.

It is an amenable number.

20163313490928 is an abundant number, since it is smaller than the sum of its proper divisors (32254452628752).

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

20163313490928 is a wasteful number, since it uses less digits than its factorization.

20163313490928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466006 (or 2466000 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 20163313490928 in words is "twenty trillion, one hundred sixty-three billion, three hundred thirteen million, four hundred ninety thousand, nine hundred twenty-eight".