20456448227 has 2 divisors, whose sum is σ = 20456448228. Its totient is φ = 20456448226.

The previous prime is 20456448163. The next prime is 20456448263. The reversal of 20456448227 is 72284465402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20456448227 - 2⁶ = 20456448163 is a prime.

It is not a weakly prime, because it can be changed into another prime (20456448277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10228224113 + 10228224114.

It is an arithmetic number, because the mean of its divisors is an integer number (10228224114).

Almost surely, 2^20456448227 is an apocalyptic number.

20456448227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20456448227 is an equidigital number, since it uses as much as digits as its factorization.

20456448227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 20456448227 in words is "twenty billion, four hundred fifty-six million, four hundred forty-eight thousand, two hundred twenty-seven".