20334022217 has 2 divisors, whose sum is σ = 20334022218. Its totient is φ = 20334022216.

The previous prime is 20334022141. The next prime is 20334022279. The reversal of 20334022217 is 71222043302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16847001616 + 3487020601 = 129796^2 + 59051^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334022217 - 2¹⁴ = 20334005833 is a prime.

It is not a weakly prime, because it can be changed into another prime (20334222217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167011108 + 10167011109.

It is an arithmetic number, because the mean of its divisors is an integer number (10167011109).

Almost surely, 2^20334022217 is an apocalyptic number.

It is an amenable number.

20334022217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334022217 is an equidigital number, since it uses as much as digits as its factorization.

20334022217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20334022217 its reverse (71222043302), we get a palindrome (91556065519).

The spelling of 20334022217 in words is "twenty billion, three hundred thirty-four million, twenty-two thousand, two hundred seventeen".