20104443401 has 8 divisors (see below), whose sum is σ = 23768800320. Its totient is φ = 16638159888.

The previous prime is 20104443397. The next prime is 20104443409. The reversal of 20104443401 is 10434440102.

It is a happy number.

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

It is not a de Polignac number, because 20104443401 - 2² = 20104443397 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49518131 + ... + 49518536.

It is an arithmetic number, because the mean of its divisors is an integer number (2971100040).

Almost surely, 2^20104443401 is an apocalyptic number.

It is an amenable number.

20104443401 is a deficient number, since it is larger than the sum of its proper divisors (3664356919).

20104443401 is an equidigital number, since it uses as much as digits as its factorization.

20104443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99036703.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20104443401 its reverse (10434440102), we get a palindrome (30538883503).

The spelling of 20104443401 in words is "twenty billion, one hundred four million, four hundred forty-three thousand, four hundred one".