205512044 has 12 divisors (see below), whose sum is σ = 360797304. Its totient is φ = 102427104.

The previous prime is 205512019. The next prime is 205512077. The reversal of 205512044 is 440215502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80822 + ... + 83325.

It is an arithmetic number, because the mean of its divisors is an integer number (30066442).

Almost surely, 2^205512044 is an apocalyptic number.

It is an amenable number.

205512044 is a deficient number, since it is larger than the sum of its proper divisors (155285260).

205512044 is a wasteful number, since it uses less digits than its factorization.

205512044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164464 (or 164462 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 205512044 is about 14335.6912634166. The cubic root of 205512044 is about 590.1273726724.

Adding to 205512044 its reverse (440215502), we get a palindrome (645727546).

The spelling of 205512044 in words is "two hundred five million, five hundred twelve thousand, forty-four".