20934268694 has 16 divisors (see below), whose sum is σ = 32136870480. Its totient is φ = 10222057440.

The previous prime is 20934268633. The next prime is 20934268703. The reversal of 20934268694 is 49686243902.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643664 + ... + 675404.

It is an arithmetic number, because the mean of its divisors is an integer number (2008554405).

Almost surely, 2^20934268694 is an apocalyptic number.

20934268694 is a deficient number, since it is larger than the sum of its proper divisors (11202601786).

20934268694 is a wasteful number, since it uses less digits than its factorization.

20934268694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39455.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 20934268694 in words is "twenty billion, nine hundred thirty-four million, two hundred sixty-eight thousand, six hundred ninety-four".