20346968811 has 16 divisors (see below), whose sum is σ = 29221920000. Its totient is φ = 12518743200.

The previous prime is 20346968801. The next prime is 20346968813. The reversal of 20346968811 is 11886964302.

It is not a de Polignac number, because 20346968811 - 2⁵ = 20346968779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20346968813) 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 15 ways as a sum of consecutive naturals, for example, 159940 + ... + 257438.

It is an arithmetic number, because the mean of its divisors is an integer number (1826370000).

Almost surely, 2^20346968811 is an apocalyptic number.

20346968811 is a deficient number, since it is larger than the sum of its proper divisors (8874951189).

20346968811 is a wasteful number, since it uses less digits than its factorization.

20346968811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102866.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 20346968811 in words is "twenty billion, three hundred forty-six million, nine hundred sixty-eight thousand, eight hundred eleven".