30220020217 has 2 divisors, whose sum is σ = 30220020218. Its totient is φ = 30220020216.

The previous prime is 30220020209. The next prime is 30220020269. The reversal of 30220020217 is 71202002203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18195581881 + 12024438336 = 134891^2 + 109656^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220020217 - 2³ = 30220020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30220020194 and 30220020203.

It is not a weakly prime, because it can be changed into another prime (30220020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110010108 + 15110010109.

It is an arithmetic number, because the mean of its divisors is an integer number (15110010109).

Almost surely, 2^30220020217 is an apocalyptic number.

It is an amenable number.

30220020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220020217 is an equidigital number, since it uses as much as digits as its factorization.

30220020217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The spelling of 30220020217 in words is "thirty billion, two hundred twenty million, twenty thousand, two hundred seventeen".