20304023227 has 2 divisors, whose sum is σ = 20304023228. Its totient is φ = 20304023226.

The previous prime is 20304023197. The next prime is 20304023261. The reversal of 20304023227 is 72232040302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20304023227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20304023297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152011613 + 10152011614.

It is an arithmetic number, because the mean of its divisors is an integer number (10152011614).

Almost surely, 2^20304023227 is an apocalyptic number.

20304023227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20304023227 is an equidigital number, since it uses as much as digits as its factorization.

20304023227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 20304023227 its reverse (72232040302), we get a palindrome (92536063529).

The spelling of 20304023227 in words is "twenty billion, three hundred four million, twenty-three thousand, two hundred twenty-seven".