20013112411 has 4 divisors (see below), whose sum is σ = 20063020824. Its totient is φ = 19963204000.

The previous prime is 20013112403. The next prime is 20013112439. The reversal of 20013112411 is 11421131002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20013112411 - 2³ = 20013112403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013112811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24953605 + ... + 24954406.

It is an arithmetic number, because the mean of its divisors is an integer number (5015755206).

Almost surely, 2^20013112411 is an apocalyptic number.

20013112411 is a deficient number, since it is larger than the sum of its proper divisors (49908413).

20013112411 is an equidigital number, since it uses as much as digits as its factorization.

20013112411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49908412.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20013112411 its reverse (11421131002), we get a palindrome (31434243413).

The spelling of 20013112411 in words is "twenty billion, thirteen million, one hundred twelve thousand, four hundred eleven".