205230130 has 24 divisors (see below), whose sum is σ = 429727788. Its totient is φ = 70364448.

The previous prime is 205230121. The next prime is 205230211. The reversal of 205230130 is 31032502.

It can be written as a sum of positive squares in 2 ways, for example, as 191517921 + 13712209 = 13839^2 + 3703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208929 + ... + 209908.

Almost surely, 2^205230130 is an apocalyptic number.

205230130 is an abundant number, since it is smaller than the sum of its proper divisors (224497658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205230130 is a wasteful number, since it uses less digits than its factorization.

205230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418858 (or 418851 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 205230130 is about 14325.8552973287. The cubic root of 205230130 is about 589.8574107209.

Adding to 205230130 its reverse (31032502), we get a palindrome (236262632).

The spelling of 205230130 in words is "two hundred five million, two hundred thirty thousand, one hundred thirty".