20353730227 has 2 divisors, whose sum is σ = 20353730228. Its totient is φ = 20353730226.

The previous prime is 20353730219. The next prime is 20353730251. The reversal of 20353730227 is 72203735302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20353730227 - 2³ = 20353730219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20353730192 and 20353730201.

It is not a weakly prime, because it can be changed into another prime (20353730207) 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, 10176865113 + 10176865114.

It is an arithmetic number, because the mean of its divisors is an integer number (10176865114).

Almost surely, 2^20353730227 is an apocalyptic number.

20353730227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20353730227 is an equidigital number, since it uses as much as digits as its factorization.

20353730227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 34.

The spelling of 20353730227 in words is "twenty billion, three hundred fifty-three million, seven hundred thirty thousand, two hundred twenty-seven".