205441312 has 12 divisors (see below), whose sum is σ = 404462646. Its totient is φ = 102720640.

The previous prime is 205441289. The next prime is 205441321. The reversal of 205441312 is 213144502.

It can be written as a sum of positive squares in only one way, i.e., 200618896 + 4822416 = 14164^2 + 2196^2 .

It is a super-2 number, since 2×205441312² = 84412265352562688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209989 + ... + 3210052.

Almost surely, 2^205441312 is an apocalyptic number.

It is an amenable number.

205441312 is a deficient number, since it is larger than the sum of its proper divisors (199021334).

205441312 is an equidigital number, since it uses as much as digits as its factorization.

205441312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420051 (or 6420043 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 205441312 is about 14333.2240615990. The cubic root of 205441312 is about 590.0596626441.

Adding to 205441312 its reverse (213144502), we get a palindrome (418585814).

The spelling of 205441312 in words is "two hundred five million, four hundred forty-one thousand, three hundred twelve".