10303020209 has 2 divisors, whose sum is σ = 10303020210. Its totient is φ = 10303020208.

The previous prime is 10303020173. The next prime is 10303020227. The reversal of 10303020209 is 90202030301.

10303020209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5190770209 + 5112250000 = 72047^2 + 71500^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303020209 - 2²⁰ = 10301971633 is a prime.

It is not a weakly prime, because it can be changed into another prime (10303020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151510104 + 5151510105.

It is an arithmetic number, because the mean of its divisors is an integer number (5151510105).

Almost surely, 2^10303020209 is an apocalyptic number.

It is an amenable number.

10303020209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303020209 is an equidigital number, since it uses as much as digits as its factorization.

10303020209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 10303020209 in words is "ten billion, three hundred three million, twenty thousand, two hundred nine".