1000320020201 has 2 divisors, whose sum is σ = 1000320020202. Its totient is φ = 1000320020200.

The previous prime is 1000320020197. The next prime is 1000320020213. The reversal of 1000320020201 is 1020200230001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969712867600 + 30607152601 = 984740^2 + 174949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000320020201 - 2² = 1000320020197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000320010201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500160010100 + 500160010101.

It is an arithmetic number, because the mean of its divisors is an integer number (500160010101).

Almost surely, 2^{1000320020201} is an apocalyptic number.

It is an amenable number.

1000320020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000320020201 is an equidigital number, since it uses as much as digits as its factorization.

1000320020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1000320020201 its reverse (1020200230001), we get a palindrome (2020520250202).

The spelling of 1000320020201 in words is "one trillion, three hundred twenty million, twenty thousand, two hundred one".