20104023331 has 4 divisors (see below), whose sum is σ = 22976026672. Its totient is φ = 17232019992.

The previous prime is 20104023257. The next prime is 20104023341. The reversal of 20104023331 is 13332040102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332040102 = 2 ⋅6666020051.

It is a cyclic number.

It is not a de Polignac number, because 20104023331 - 2¹¹ = 20104021283 is a prime.

It is a super-2 number, since 2×20104023331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20104023299 and 20104023308.

It is not an unprimeable number, because it can be changed into a prime (20104023341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436001660 + ... + 1436001673.

It is an arithmetic number, because the mean of its divisors is an integer number (5744006668).

Almost surely, 2^20104023331 is an apocalyptic number.

20104023331 is a deficient number, since it is larger than the sum of its proper divisors (2872003341).

20104023331 is an equidigital number, since it uses as much as digits as its factorization.

20104023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872003340.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20104023331 its reverse (13332040102), we get a palindrome (33436063433).

The spelling of 20104023331 in words is "twenty billion, one hundred four million, twenty-three thousand, three hundred thirty-one".