205263064 has 16 divisors (see below), whose sum is σ = 392130720. Its totient is φ = 100694880.

The previous prime is 205263029. The next prime is 205263077. The reversal of 205263064 is 460362502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 241632 + ... + 242479.

It is an arithmetic number, because the mean of its divisors is an integer number (24508170).

Almost surely, 2^205263064 is an apocalyptic number.

It is an amenable number.

205263064 is a deficient number, since it is larger than the sum of its proper divisors (186867656).

205263064 is a wasteful number, since it uses less digits than its factorization.

205263064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484170 (or 484166 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 205263064 is about 14327.0047113833. The cubic root of 205263064 is about 589.8889611969. Note that the first 3 decimals are identical.

The spelling of 205263064 in words is "two hundred five million, two hundred sixty-three thousand, sixty-four".