205004712 has 64 divisors (see below), whose sum is σ = 578404800. Its totient is φ = 59978240.

The previous prime is 205004677. The next prime is 205004729. The reversal of 205004712 is 217400502.

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 15 ways as a sum of consecutive naturals, for example, 5733 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (9037575).

Almost surely, 2^205004712 is an apocalyptic number.

205004712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205004712 is an abundant number, since it is smaller than the sum of its proper divisors (373400088).

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

205004712 is a wasteful number, since it uses less digits than its factorization.

205004712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26826 (or 26822 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 205004712 is about 14317.9856125085. The cubic root of 205004712 is about 589.6413716354.

The spelling of 205004712 in words is "two hundred five million, four thousand, seven hundred twelve".