20163313490927 has 4 divisors (see below), whose sum is σ = 20163780807456. Its totient is φ = 20162846174400.

The previous prime is 20163313490833. The next prime is 20163313490951. The reversal of 20163313490927 is 72909431336102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20163313490927 - 2¹⁰ = 20163313489903 is a prime.

It is a super-2 number, since 2×20163313490927² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20163313493927) 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, 233593538 + ... + 233679839.

It is an arithmetic number, because the mean of its divisors is an integer number (5040945201864).

Almost surely, 2^{20163313490927} is an apocalyptic number.

20163313490927 is a deficient number, since it is larger than the sum of its proper divisors (467316529).

20163313490927 is an equidigital number, since it uses as much as digits as its factorization.

20163313490927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467316528.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 20163313490927 in words is "twenty trillion, one hundred sixty-three billion, three hundred thirteen million, four hundred ninety thousand, nine hundred twenty-seven".