20104144103 has 4 divisors (see below), whose sum is σ = 20106995160. Its totient is φ = 20101293048.

The previous prime is 20104144097. The next prime is 20104144117. The reversal of 20104144103 is 30144140102.

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 20104144103 - 2³² = 15809176807 is a prime.

It is a super-2 number, since 2×20104144103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104144183) 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, 1414925 + ... + 1429062.

It is an arithmetic number, because the mean of its divisors is an integer number (5026748790).

Almost surely, 2^20104144103 is an apocalyptic number.

20104144103 is a deficient number, since it is larger than the sum of its proper divisors (2851057).

20104144103 is an equidigital number, since it uses as much as digits as its factorization.

20104144103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851056.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20104144103 its reverse (30144140102), we get a palindrome (50248284205).

The spelling of 20104144103 in words is "twenty billion, one hundred four million, one hundred forty-four thousand, one hundred three".