20116717651263 has 12 divisors (see below), whose sum is σ = 28039180496600. Its totient is φ = 12828051834576.

The previous prime is 20116717651229. The next prime is 20116717651273. The reversal of 20116717651263 is 36215671761102.

It is not a de Polignac number, because 20116717651263 - 2⁸ = 20116717651007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116717651273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6337968688 + ... + 6337971861.

Almost surely, 2^{20116717651263} is an apocalyptic number.

20116717651263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20116717651263 is a deficient number, since it is larger than the sum of its proper divisors (7922462845337).

20116717651263 is a wasteful number, since it uses less digits than its factorization.

20116717651263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675940598 (or 12675940575 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 20116717651263 in words is "twenty trillion, one hundred sixteen billion, seven hundred seventeen million, six hundred fifty-one thousand, two hundred sixty-three".