20000323103309 has 2 divisors, whose sum is σ = 20000323103310. Its totient is φ = 20000323103308.

The previous prime is 20000323103273. The next prime is 20000323103329. The reversal of 20000323103309 is 90330132300002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19502628127684 + 497694975625 = 4416178^2 + 705475^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000323103309 - 2⁸ = 20000323103053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000323103329) 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, 10000161551654 + 10000161551655.

It is an arithmetic number, because the mean of its divisors is an integer number (10000161551655).

Almost surely, 2^{20000323103309} is an apocalyptic number.

It is an amenable number.

20000323103309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000323103309 is an equidigital number, since it uses as much as digits as its factorization.

20000323103309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The spelling of 20000323103309 in words is "twenty trillion, three hundred twenty-three million, one hundred three thousand, three hundred nine".