20064105105 has 32 divisors (see below), whose sum is σ = 35072455680. Its totient is φ = 9713753280.

The previous prime is 20064105073. The next prime is 20064105121. The reversal of 20064105105 is 50150146002.

It is not a de Polignac number, because 20064105105 - 2⁵ = 20064105073 is a prime.

It is a super-2 number, since 2×20064105105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 23676 + ... + 201714.

It is an arithmetic number, because the mean of its divisors is an integer number (1096014240).

Almost surely, 2^20064105105 is an apocalyptic number.

It is an amenable number.

20064105105 is a deficient number, since it is larger than the sum of its proper divisors (15008350575).

20064105105 is a wasteful number, since it uses less digits than its factorization.

20064105105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178741.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 20064105105 in words is "twenty billion, sixty-four million, one hundred five thousand, one hundred five".