205512232 has 8 divisors (see below), whose sum is σ = 385335450. Its totient is φ = 102756112.

The previous prime is 205512191. The next prime is 205512253. The reversal of 205512232 is 232215502.

205512232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127825636 + 77686596 = 11306^2 + 8814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12844507 + ... + 12844522.

Almost surely, 2^205512232 is an apocalyptic number.

It is an amenable number.

205512232 is a deficient number, since it is larger than the sum of its proper divisors (179823218).

205512232 is a wasteful number, since it uses less digits than its factorization.

205512232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25689035 (or 25689031 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 205512232 is about 14335.6978204760. The cubic root of 205512232 is about 590.1275526196.

Adding to 205512232 its reverse (232215502), we get a palindrome (437727734).

The spelling of 205512232 in words is "two hundred five million, five hundred twelve thousand, two hundred thirty-two".