205828970 has 16 divisors (see below), whose sum is σ = 375183360. Its totient is φ = 81289104.

The previous prime is 205828969. The next prime is 205828981. The reversal of 205828970 is 79828502.

It is a happy number.

205828970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 129482 + ... + 131061.

It is an arithmetic number, because the mean of its divisors is an integer number (23448960).

Almost surely, 2^205828970 is an apocalyptic number.

205828970 is a deficient number, since it is larger than the sum of its proper divisors (169354390).

205828970 is a wasteful number, since it uses less digits than its factorization.

205828970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260629.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 205828970 is about 14346.7407448521. The cubic root of 205828970 is about 590.4305676363.

The spelling of 205828970 in words is "two hundred five million, eight hundred twenty-eight thousand, nine hundred seventy".