20332110321197 has 2 divisors, whose sum is σ = 20332110321198. Its totient is φ = 20332110321196.

The previous prime is 20332110321191. The next prime is 20332110321301. The reversal of 20332110321197 is 79112301123302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11874564510601 + 8457545810596 = 3445949^2 + 2908186^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332110321197 - 2¹⁰ = 20332110320173 is a prime.

It is a super-2 number, since 2×20332110321197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332110321191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166055160598 + 10166055160599.

It is an arithmetic number, because the mean of its divisors is an integer number (10166055160599).

Almost surely, 2^{20332110321197} is an apocalyptic number.

It is an amenable number.

20332110321197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332110321197 is an equidigital number, since it uses as much as digits as its factorization.

20332110321197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

Adding to 20332110321197 its reverse (79112301123302), we get a palindrome (99444411444499).

The spelling of 20332110321197 in words is "twenty trillion, three hundred thirty-two billion, one hundred ten million, three hundred twenty-one thousand, one hundred ninety-seven".