20104442001 has 32 divisors (see below), whose sum is σ = 34162241280. Its totient is φ = 11446748928.

The previous prime is 20104441993. The next prime is 20104442021. The reversal of 20104442001 is 10024440102.

20104442001 is a `hidden beast` number, since 20 + 1 + 0 + 444 + 200 + 1 = 666.

It is not a de Polignac number, because 20104442001 - 2³ = 20104441993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20104442021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139656 + ... + 244361.

It is an arithmetic number, because the mean of its divisors is an integer number (1067570040).

Almost surely, 2^20104442001 is an apocalyptic number.

20104442001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20104442001 is a deficient number, since it is larger than the sum of its proper divisors (14057799279).

20104442001 is a wasteful number, since it uses less digits than its factorization.

20104442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384310 (or 384304 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20104442001 its reverse (10024440102), we get a palindrome (30128882103).

The spelling of 20104442001 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, one".