205730082 has 12 divisors (see below), whose sum is σ = 445748550. Its totient is φ = 68576688.

The previous prime is 205730069. The next prime is 205730093. The reversal of 205730082 is 280037502.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 78694641 = 11271^2 + 8871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5714707 + ... + 5714742.

Almost surely, 2^205730082 is an apocalyptic number.

205730082 is an abundant number, since it is smaller than the sum of its proper divisors (240018468).

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

205730082 is a wasteful number, since it uses less digits than its factorization.

205730082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429457 (or 11429454 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 205730082 is about 14343.2939731430. The cubic root of 205730082 is about 590.3359974521.

Adding to 205730082 its reverse (280037502), we get a palindrome (485767584).

The spelling of 205730082 in words is "two hundred five million, seven hundred thirty thousand, eighty-two".