20104323443 has 8 divisors (see below), whose sum is σ = 20683905168. Its totient is φ = 19532962944.

The previous prime is 20104323433. The next prime is 20104323493. The reversal of 20104323443 is 34432340102.

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

It is a cyclic number.

It is not a de Polignac number, because 20104323443 - 2⁴ = 20104323427 is a prime.

It is a super-2 number, since 2×20104323443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104323433) 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 7 ways as a sum of consecutive naturals, for example, 2050346 + ... + 2060127.

It is an arithmetic number, because the mean of its divisors is an integer number (2585488146).

Almost surely, 2^20104323443 is an apocalyptic number.

20104323443 is a deficient number, since it is larger than the sum of its proper divisors (579581725).

20104323443 is an equidigital number, since it uses as much as digits as its factorization.

20104323443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110613.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20104323443 its reverse (34432340102), we get a palindrome (54536663545).

The spelling of 20104323443 in words is "twenty billion, one hundred four million, three hundred twenty-three thousand, four hundred forty-three".