205231332 has 12 divisors (see below), whose sum is σ = 478873136. Its totient is φ = 68410440.

The previous prime is 205231309. The next prime is 205231337. The reversal of 205231332 is 233132502.

205231332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 205231299 and 205231308.

It is not an unprimeable number, because it can be changed into a prime (205231337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8551294 + ... + 8551317.

Almost surely, 2^205231332 is an apocalyptic number.

It is an amenable number.

205231332 is an abundant number, since it is smaller than the sum of its proper divisors (273641804).

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

205231332 is a wasteful number, since it uses less digits than its factorization.

205231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17102618 (or 17102616 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 205231332 is about 14325.8972493872. The cubic root of 205231332 is about 589.8585622854.

Adding to 205231332 its reverse (233132502), we get a palindrome (438363834).

The spelling of 205231332 in words is "two hundred five million, two hundred thirty-one thousand, three hundred thirty-two".