20111079926 has 16 divisors (see below), whose sum is σ = 34798346496. Its totient is φ = 8538481896.

The previous prime is 20111079913. The next prime is 20111079943. The reversal of 20111079926 is 62997011102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20111079926.

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, 6711146 + ... + 6714141.

It is an arithmetic number, because the mean of its divisors is an integer number (2174896656).

Almost surely, 2^20111079926 is an apocalyptic number.

20111079926 is a deficient number, since it is larger than the sum of its proper divisors (14687266570).

20111079926 is a wasteful number, since it uses less digits than its factorization.

20111079926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425403.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 20111079926 in words is "twenty billion, one hundred eleven million, seventy-nine thousand, nine hundred twenty-six".