30020010217 has 2 divisors, whose sum is σ = 30020010218. Its totient is φ = 30020010216.

The previous prime is 30020010193. The next prime is 30020010233. The reversal of 30020010217 is 71201002003.

It is a happy number.

It is an a-pointer prime, because the next prime (30020010233) can be obtained adding 30020010217 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30008286441 + 11723776 = 173229^2 + 3424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020010217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30020010217.

It is not a weakly prime, because it can be changed into another prime (30020017217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010005108 + 15010005109.

It is an arithmetic number, because the mean of its divisors is an integer number (15010005109).

Almost surely, 2^30020010217 is an apocalyptic number.

It is an amenable number.

30020010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020010217 is an equidigital number, since it uses as much as digits as its factorization.

30020010217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The spelling of 30020010217 in words is "thirty billion, twenty million, ten thousand, two hundred seventeen".