20331223000001 has 2 divisors, whose sum is σ = 20331223000002. Its totient is φ = 20331223000000.

The previous prime is 20331222999953. The next prime is 20331223000007. The reversal of 20331223000001 is 10000032213302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18934890827776 + 1396332172225 = 4351424^2 + 1181665^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331223000001 - 2²² = 20331218805697 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331223000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165611500000 + 10165611500001.

It is an arithmetic number, because the mean of its divisors is an integer number (10165611500001).

Almost surely, 2^{20331223000001} is an apocalyptic number.

It is an amenable number.

20331223000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331223000001 is an equidigital number, since it uses as much as digits as its factorization.

20331223000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20331223000001 its reverse (10000032213302), we get a palindrome (30331255213303).

The spelling of 20331223000001 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty-three million, one", and thus it is an aban number.