20001230310049 has 2 divisors, whose sum is σ = 20001230310050. Its totient is φ = 20001230310048.

The previous prime is 20001230309993. The next prime is 20001230310067. The reversal of 20001230310049 is 94001303210002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15430323141025 + 4570907169024 = 3928145^2 + 2137968^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001230310049 - 2²¹ = 20001228212897 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001236310049) 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, 10000615155024 + 10000615155025.

It is an arithmetic number, because the mean of its divisors is an integer number (10000615155025).

Almost surely, 2^{20001230310049} is an apocalyptic number.

It is an amenable number.

20001230310049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001230310049 is an equidigital number, since it uses as much as digits as its factorization.

20001230310049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 20001230310049 in words is "twenty trillion, one billion, two hundred thirty million, three hundred ten thousand, forty-nine".