205072044 has 12 divisors (see below), whose sum is σ = 478501464. Its totient is φ = 68357344.

The previous prime is 205072033. The next prime is 205072081. The reversal of 205072044 is 440270502.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8544657 + ... + 8544680.

It is an arithmetic number, because the mean of its divisors is an integer number (39875122).

Almost surely, 2^205072044 is an apocalyptic number.

It is an amenable number.

205072044 is an abundant number, since it is smaller than the sum of its proper divisors (273429420).

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

205072044 is a wasteful number, since it uses less digits than its factorization.

205072044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17089344 (or 17089342 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 205072044 is about 14320.3367278846. The cubic root of 205072044 is about 589.7059187486.

The spelling of 205072044 in words is "two hundred five million, seventy-two thousand, forty-four".