205087244 has 12 divisors (see below), whose sum is σ = 360725904. Its totient is φ = 102022704.

The previous prime is 205087237. The next prime is 205087247. The reversal of 205087244 is 442780502.

It is a self number, because there is not a number n which added to its sum of digits gives 205087244.

It is not an unprimeable number, because it can be changed into a prime (205087247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129344 + ... + 130919.

It is an arithmetic number, because the mean of its divisors is an integer number (30060492).

Almost surely, 2^205087244 is an apocalyptic number.

It is an amenable number.

205087244 is a deficient number, since it is larger than the sum of its proper divisors (155638660).

205087244 is a wasteful number, since it uses less digits than its factorization.

205087244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260464 (or 260462 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 205087244 is about 14320.8674318283. The cubic root of 205087244 is about 589.7204881138.

The spelling of 205087244 in words is "two hundred five million, eighty-seven thousand, two hundred forty-four".