205230213 has 8 divisors (see below), whose sum is σ = 304044800. Its totient is φ = 136820124.

The previous prime is 205230211. The next prime is 205230227. The reversal of 205230213 is 312032502.

It is not a de Polignac number, because 205230213 - 2¹ = 205230211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205230211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3800533 + ... + 3800586.

It is an arithmetic number, because the mean of its divisors is an integer number (38005600).

Almost surely, 2^205230213 is an apocalyptic number.

It is an amenable number.

205230213 is a deficient number, since it is larger than the sum of its proper divisors (98814587).

205230213 is an equidigital number, since it uses as much as digits as its factorization.

205230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601128 (or 7601122 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 205230213 is about 14325.8581941886. The cubic root of 205230213 is about 589.8574902383.

Adding to 205230213 its reverse (312032502), we get a palindrome (517262715).

The spelling of 205230213 in words is "two hundred five million, two hundred thirty thousand, two hundred thirteen".