20104442103 has 4 divisors (see below), whose sum is σ = 26805922808. Its totient is φ = 13402961400.

The previous prime is 20104442093. The next prime is 20104442173. The reversal of 20104442103 is 30124440102.

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

It is not a de Polignac number, because 20104442103 - 2⁴ = 20104442087 is a prime.

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 20104442103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104442173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3350740348 + ... + 3350740353.

It is an arithmetic number, because the mean of its divisors is an integer number (6701480702).

Almost surely, 2^20104442103 is an apocalyptic number.

20104442103 is a deficient number, since it is larger than the sum of its proper divisors (6701480705).

20104442103 is an equidigital number, since it uses as much as digits as its factorization.

20104442103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701480704.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20104442103 its reverse (30124440102), we get a palindrome (50228882205).

The spelling of 20104442103 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, one hundred three".