20104443403 has 8 divisors (see below), whose sum is σ = 21934007280. Its totient is φ = 18275194080.

The previous prime is 20104443397. The next prime is 20104443409. The reversal of 20104443403 is 30434440102.

It is an interprime number because it is at equal distance from previous prime (20104443397) and next prime (20104443409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20104443403 - 2⁵ = 20104443371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104443409) 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 7 ways as a sum of consecutive naturals, for example, 66693 + ... + 211321.

It is an arithmetic number, because the mean of its divisors is an integer number (2741750910).

Almost surely, 2^20104443403 is an apocalyptic number.

20104443403 is a deficient number, since it is larger than the sum of its proper divisors (1829563877).

20104443403 is a wasteful number, since it uses less digits than its factorization.

20104443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157277.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20104443403 its reverse (30434440102), we get a palindrome (50538883505).

The spelling of 20104443403 in words is "twenty billion, one hundred four million, four hundred forty-three thousand, four hundred three".