20301334217 has 2 divisors, whose sum is σ = 20301334218. Its totient is φ = 20301334216.

The previous prime is 20301334201. The next prime is 20301334243. The reversal of 20301334217 is 71243310302.

It is an a-pointer prime, because the next prime (20301334243) can be obtained adding 20301334217 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12561029776 + 7740304441 = 112076^2 + 87979^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301334217 - 2⁴ = 20301334201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301334247) 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, 10150667108 + 10150667109.

It is an arithmetic number, because the mean of its divisors is an integer number (10150667109).

Almost surely, 2^20301334217 is an apocalyptic number.

It is an amenable number.

20301334217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301334217 is an equidigital number, since it uses as much as digits as its factorization.

20301334217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20301334217 its reverse (71243310302), we get a palindrome (91544644519).

The spelling of 20301334217 in words is "twenty billion, three hundred one million, three hundred thirty-four thousand, two hundred seventeen".