205069612 has 24 divisors (see below), whose sum is σ = 391974912. Its totient is φ = 93099600.

The previous prime is 205069609. The next prime is 205069621. The reversal of 205069612 is 216960502.

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 7 ways as a sum of consecutive naturals, for example, 41253 + ... + 45955.

It is an arithmetic number, because the mean of its divisors is an integer number (16332288).

Almost surely, 2^205069612 is an apocalyptic number.

205069612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205069612 is a deficient number, since it is larger than the sum of its proper divisors (186905300).

205069612 is a wasteful number, since it uses less digits than its factorization.

205069612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 205069612 is about 14320.2518134284. The cubic root of 205069612 is about 589.7035875833.

The spelling of 205069612 in words is "two hundred five million, sixty-nine thousand, six hundred twelve".