205152244 has 24 divisors (see below), whose sum is σ = 394748928. Its totient is φ = 92514240.

The previous prime is 205152239. The next prime is 205152247. The reversal of 205152244 is 442251502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205152247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12769 + ... + 23944.

It is an arithmetic number, because the mean of its divisors is an integer number (16447872).

Almost surely, 2^205152244 is an apocalyptic number.

It is an amenable number.

205152244 is a deficient number, since it is larger than the sum of its proper divisors (189596684).

205152244 is a wasteful number, since it uses less digits than its factorization.

205152244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36855 (or 36853 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 205152244 is about 14323.1366676437. The cubic root of 205152244 is about 589.7827832003.

The spelling of 205152244 in words is "two hundred five million, one hundred fifty-two thousand, two hundred forty-four".