300420205 has 12 divisors (see below), whose sum is σ = 370519380. Its totient is φ = 233835264.

The previous prime is 300420187. The next prime is 300420223. The reversal of 300420205 is 502024003.

It is an interprime number because it is at equal distance from previous prime (300420187) and next prime (300420223).

It can be written as a sum of positive squares in 6 ways, for example, as 112126921 + 188293284 = 10589^2 + 13722^2 .

It is a de Polignac number, because none of the positive numbers 2^k-300420205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15100 + ... + 28789.

It is an arithmetic number, because the mean of its divisors is an integer number (30876615).

Almost surely, 2^300420205 is an apocalyptic number.

It is an amenable number.

300420205 is a deficient number, since it is larger than the sum of its proper divisors (70099175).

300420205 is an equidigital number, since it uses as much as digits as its factorization.

300420205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43968 (or 43931 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 300420205 is about 17332.6341044863. The cubic root of 300420205 is about 669.7453587910.

Adding to 300420205 its reverse (502024003), we get a palindrome (802444208).

The spelling of 300420205 in words is "three hundred million, four hundred twenty thousand, two hundred five".