20104301233 has 2 divisors, whose sum is σ = 20104301234. Its totient is φ = 20104301232.

The previous prime is 20104301213. The next prime is 20104301237. The reversal of 20104301233 is 33210340102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15259166784 + 4845134449 = 123528^2 + 69607^2 .

It is a cyclic number.

It is not a de Polignac number, because 20104301233 - 2³³ = 11514366641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20104301233.

It is not a weakly prime, because it can be changed into another prime (20104301237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052150616 + 10052150617.

It is an arithmetic number, because the mean of its divisors is an integer number (10052150617).

Almost surely, 2^20104301233 is an apocalyptic number.

It is an amenable number.

20104301233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104301233 is an equidigital number, since it uses as much as digits as its factorization.

20104301233 is an evil number, because the sum of its binary digits is even.

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

Adding to 20104301233 its reverse (33210340102), we get a palindrome (53314641335).

The spelling of 20104301233 in words is "twenty billion, one hundred four million, three hundred one thousand, two hundred thirty-three".