20013127746105 has 32 divisors (see below), whose sum is σ = 34550094047616. Its totient is φ = 9833778031104.

The previous prime is 20013127746097. The next prime is 20013127746133. The reversal of 20013127746105 is 50164772131002.

It is not a de Polignac number, because 20013127746105 - 2³ = 20013127746097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98016012 + ... + 98219981.

It is an arithmetic number, because the mean of its divisors is an integer number (1079690438988).

Almost surely, 2^{20013127746105} is an apocalyptic number.

It is an amenable number.

20013127746105 is a deficient number, since it is larger than the sum of its proper divisors (14536966301511).

20013127746105 is a wasteful number, since it uses less digits than its factorization.

20013127746105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196236537.

The product of its (nonzero) digits is 70560, while the sum is 39.

Adding to 20013127746105 its reverse (50164772131002), we get a palindrome (70177899877107).

The spelling of 20013127746105 in words is "twenty trillion, thirteen billion, one hundred twenty-seven million, seven hundred forty-six thousand, one hundred five".