20004304354723 has 16 divisors (see below), whose sum is σ = 22026265712640. Its totient is φ = 18052252991136.

The previous prime is 20004304354709. The next prime is 20004304354733. The reversal of 20004304354723 is 32745340340002.

It is not a de Polignac number, because 20004304354723 - 2⁵ = 20004304354691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004304354733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17913663 + ... + 18997576.

It is an arithmetic number, because the mean of its divisors is an integer number (1376641607040).

Almost surely, 2^{20004304354723} is an apocalyptic number.

20004304354723 is a deficient number, since it is larger than the sum of its proper divisors (2021961357917).

20004304354723 is a wasteful number, since it uses less digits than its factorization.

20004304354723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36912186.

The product of its (nonzero) digits is 241920, while the sum is 37.

Adding to 20004304354723 its reverse (32745340340002), we get a palindrome (52749644694725).

The spelling of 20004304354723 in words is "twenty trillion, four billion, three hundred four million, three hundred fifty-four thousand, seven hundred twenty-three".