20344130227 has 2 divisors, whose sum is σ = 20344130228. Its totient is φ = 20344130226.

The previous prime is 20344130221. The next prime is 20344130251. The reversal of 20344130227 is 72203144302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20344130227 - 2¹¹ = 20344128179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20344130195 and 20344130204.

It is not a weakly prime, because it can be changed into another prime (20344130221) 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 as a sum of consecutive naturals, namely, 10172065113 + 10172065114.

It is an arithmetic number, because the mean of its divisors is an integer number (10172065114).

Almost surely, 2^20344130227 is an apocalyptic number.

20344130227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344130227 is an equidigital number, since it uses as much as digits as its factorization.

20344130227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 20344130227 its reverse (72203144302), we get a palindrome (92547274529).

The spelling of 20344130227 in words is "twenty billion, three hundred forty-four million, one hundred thirty thousand, two hundred twenty-seven".