20104444423 has 16 divisors (see below), whose sum is σ = 23545589760. Its totient is φ = 16805880000.

The previous prime is 20104444403. The next prime is 20104444429. The reversal of 20104444423 is 32444440102.

It is not a de Polignac number, because 20104444423 - 2²⁵ = 20070889991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20104444391 and 20104444400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104444429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872298 + ... + 895048.

It is an arithmetic number, because the mean of its divisors is an integer number (1471599360).

Almost surely, 2^20104444423 is an apocalyptic number.

20104444423 is a deficient number, since it is larger than the sum of its proper divisors (3441145337).

20104444423 is a wasteful number, since it uses less digits than its factorization.

20104444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25878.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20104444423 its reverse (32444440102), we get a palindrome (52548884525).

The spelling of 20104444423 in words is "twenty billion, one hundred four million, four hundred forty-four thousand, four hundred twenty-three".