20330366862361 has 2 divisors, whose sum is σ = 20330366862362. Its totient is φ = 20330366862360.

The previous prime is 20330366862353. The next prime is 20330366862419. The reversal of 20330366862361 is 16326866303302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17625512975625 + 2704853886736 = 4198275^2 + 1644644^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330366862361 - 2³ = 20330366862353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330366862301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165183431180 + 10165183431181.

It is an arithmetic number, because the mean of its divisors is an integer number (10165183431181).

Almost surely, 2^{20330366862361} is an apocalyptic number.

It is an amenable number.

20330366862361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330366862361 is an equidigital number, since it uses as much as digits as its factorization.

20330366862361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 20330366862361 in words is "twenty trillion, three hundred thirty billion, three hundred sixty-six million, eight hundred sixty-two thousand, three hundred sixty-one".