205243052 has 24 divisors (see below), whose sum is σ = 411321120. Its totient is φ = 87782400.

The previous prime is 205243039. The next prime is 205243067. The reversal of 205243052 is 250342502.

205243052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052 + ... + 21452.

It is an arithmetic number, because the mean of its divisors is an integer number (17138380).

Almost surely, 2^205243052 is an apocalyptic number.

It is an amenable number.

205243052 is an abundant number, since it is smaller than the sum of its proper divisors (206078068).

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

205243052 is a wasteful number, since it uses less digits than its factorization.

205243052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921 (or 14919 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 205243052 is about 14326.3062929703. The cubic root of 205243052 is about 589.8697902831.

Adding to 205243052 its reverse (250342502), we get a palindrome (455585554).

The spelling of 205243052 in words is "two hundred five million, two hundred forty-three thousand, fifty-two".