20113356963 has 32 divisors (see below), whose sum is σ = 31991417856. Its totient is φ = 10990222848.

The previous prime is 20113356961. The next prime is 20113356973. The reversal of 20113356963 is 36965331102.

It is not a de Polignac number, because 20113356963 - 2¹ = 20113356961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113356961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2929831 + ... + 2936687.

It is an arithmetic number, because the mean of its divisors is an integer number (999731808).

Almost surely, 2^20113356963 is an apocalyptic number.

20113356963 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20113356963 is a deficient number, since it is larger than the sum of its proper divisors (11878060893).

20113356963 is a wasteful number, since it uses less digits than its factorization.

20113356963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963.

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 20113356963 in words is "twenty billion, one hundred thirteen million, three hundred fifty-six thousand, nine hundred sixty-three".