205247232 has 54 divisors (see below), whose sum is σ = 591785012. Its totient is φ = 68414976.

The previous prime is 205247221. The next prime is 205247233. The reversal of 205247232 is 232742502.

It is a junction number, because it is equal to n+sod(n) for n = 205247196 and 205247205.

It is not an unprimeable number, because it can be changed into a prime (205247233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42238 + ... + 46845.

Almost surely, 2^205247232 is an apocalyptic number.

It is an amenable number.

205247232 is an abundant number, since it is smaller than the sum of its proper divisors (386537780).

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

205247232 is an equidigital number, since it uses as much as digits as its factorization.

205247232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89105 (or 89088 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 205247232 is about 14326.4521777026. The cubic root of 205247232 is about 589.8737947044.

Adding to 205247232 its reverse (232742502), we get a palindrome (437989734).

It can be divided in two parts, 2052 and 47232, that added together give a square (49284 = 222²).

The spelling of 205247232 in words is "two hundred five million, two hundred forty-seven thousand, two hundred thirty-two".