20000300209 has 2 divisors, whose sum is σ = 20000300210. Its totient is φ = 20000300208.

The previous prime is 20000300197. The next prime is 20000300213. The reversal of 20000300209 is 90200300002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19579845184 + 420455025 = 139928^2 + 20505^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000300209 - 2⁷ = 20000300081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000300192 and 20000300201.

It is not a weakly prime, because it can be changed into another prime (20000300249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000150104 + 10000150105.

It is an arithmetic number, because the mean of its divisors is an integer number (10000150105).

Almost surely, 2^20000300209 is an apocalyptic number.

It is an amenable number.

20000300209 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000300209 is an equidigital number, since it uses as much as digits as its factorization.

20000300209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The spelling of 20000300209 in words is "twenty billion, three hundred thousand, two hundred nine".