20330113223309 has 2 divisors, whose sum is σ = 20330113223310. Its totient is φ = 20330113223308.

The previous prime is 20330113223281. The next prime is 20330113223317. The reversal of 20330113223309 is 90332231103302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18358251330409 + 1971861892900 = 4284653^2 + 1404230^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330113223309 - 2³² = 20325818256013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330113223009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165056611654 + 10165056611655.

It is an arithmetic number, because the mean of its divisors is an integer number (10165056611655).

Almost surely, 2^{20330113223309} is an apocalyptic number.

It is an amenable number.

20330113223309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330113223309 is an equidigital number, since it uses as much as digits as its factorization.

20330113223309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 20330113223309 in words is "twenty trillion, three hundred thirty billion, one hundred thirteen million, two hundred twenty-three thousand, three hundred nine".