20060365217 has 2 divisors, whose sum is σ = 20060365218. Its totient is φ = 20060365216.

The previous prime is 20060365189. The next prime is 20060365219. The reversal of 20060365217 is 71256306002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12828733696 + 7231631521 = 113264^2 + 85039^2 .

It is a cyclic number.

It is not a de Polignac number, because 20060365217 - 2¹⁰ = 20060364193 is a prime.

Together with 20060365219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20060365219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030182608 + 10030182609.

It is an arithmetic number, because the mean of its divisors is an integer number (10030182609).

Almost surely, 2^20060365217 is an apocalyptic number.

It is an amenable number.

20060365217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20060365217 is an equidigital number, since it uses as much as digits as its factorization.

20060365217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 20060365217 in words is "twenty billion, sixty million, three hundred sixty-five thousand, two hundred seventeen".