205136044 has 24 divisors (see below), whose sum is σ = 367190208. Its totient is φ = 100248720.

The previous prime is 205136017. The next prime is 205136047. The reversal of 205136044 is 440631502.

It is not an unprimeable number, because it can be changed into a prime (205136047) 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 7 ways as a sum of consecutive naturals, for example, 32187 + ... + 38029.

It is an arithmetic number, because the mean of its divisors is an integer number (15299592).

Almost surely, 2^205136044 is an apocalyptic number.

It is an amenable number.

205136044 is a deficient number, since it is larger than the sum of its proper divisors (162054164).

205136044 is a wasteful number, since it uses less digits than its factorization.

205136044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 205136044 is about 14322.5711378928. The cubic root of 205136044 is about 589.7672585792.

Adding to 205136044 its reverse (440631502), we get a palindrome (645767546).

The spelling of 205136044 in words is "two hundred five million, one hundred thirty-six thousand, forty-four".