20364352297 has 2 divisors, whose sum is σ = 20364352298. Its totient is φ = 20364352296.

The previous prime is 20364352271. The next prime is 20364352331. The reversal of 20364352297 is 79225346302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14844010896 + 5520341401 = 121836^2 + 74299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20364352297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20364352397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182176148 + 10182176149.

It is an arithmetic number, because the mean of its divisors is an integer number (10182176149).

Almost surely, 2^20364352297 is an apocalyptic number.

It is an amenable number.

20364352297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20364352297 is an equidigital number, since it uses as much as digits as its factorization.

20364352297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

Adding to 20364352297 its reverse (79225346302), we get a palindrome (99589698599).

The spelling of 20364352297 in words is "twenty billion, three hundred sixty-four million, three hundred fifty-two thousand, two hundred ninety-seven".