20044101311 has 16 divisors (see below), whose sum is σ = 22860772704. Its totient is φ = 17410028544.

The previous prime is 20044101257. The next prime is 20044101403. The reversal of 20044101311 is 11310144002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20044101311 - 2⁶ = 20044101247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20044101311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044101611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1514555 + ... + 1527731.

It is an arithmetic number, because the mean of its divisors is an integer number (1428798294).

Almost surely, 2^20044101311 is an apocalyptic number.

20044101311 is a deficient number, since it is larger than the sum of its proper divisors (2816671393).

20044101311 is a wasteful number, since it uses less digits than its factorization.

20044101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20044101311 its reverse (11310144002), we get a palindrome (31354245313).

The spelling of 20044101311 in words is "twenty billion, forty-four million, one hundred one thousand, three hundred eleven".