1300020305201 has 2 divisors, whose sum is σ = 1300020305202. Its totient is φ = 1300020305200.

The previous prime is 1300020305191. The next prime is 1300020305209. The reversal of 1300020305201 is 1025030200031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202926368400 + 97093936801 = 1096780^2 + 311599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300020305201 - 2¹⁸ = 1300020043057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300020305201.

It is not a weakly prime, because it can be changed into another prime (1300020305209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650010152600 + 650010152601.

It is an arithmetic number, because the mean of its divisors is an integer number (650010152601).

Almost surely, 2^{1300020305201} is an apocalyptic number.

It is an amenable number.

1300020305201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300020305201 is an equidigital number, since it uses as much as digits as its factorization.

1300020305201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 1300020305201 its reverse (1025030200031), we get a palindrome (2325050505232).

The spelling of 1300020305201 in words is "one trillion, three hundred billion, twenty million, three hundred five thousand, two hundred one".