205148804 has 12 divisors (see below), whose sum is σ = 410297664. Its totient is φ = 87920904.

The previous prime is 205148803. The next prime is 205148807. The reversal of 205148804 is 408841502.

It is a happy number.

205148804 is an admirable number.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (205148803) by changing a digit.

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, 3663344 + ... + 3663399.

It is an arithmetic number, because the mean of its divisors is an integer number (34191472).

Almost surely, 2^205148804 is an apocalyptic number.

It is an amenable number.

205148804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205148804 is a wasteful number, since it uses less digits than its factorization.

205148804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326754 (or 7326752 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 205148804 is about 14323.0165817121. The cubic root of 205148804 is about 589.7794866825.

The spelling of 205148804 in words is "two hundred five million, one hundred forty-eight thousand, eight hundred four".