205300450 has 12 divisors (see below), whose sum is σ = 381858930. Its totient is φ = 82120160.

The previous prime is 205300439. The next prime is 205300451. The reversal of 205300450 is 54003502.

It is a happy number.

205300450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 147646801 + 57653649 = 12151^2 + 7593^2 .

It is not an unprimeable number, because it can be changed into a prime (205300451) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2052955 + ... + 2053054.

Almost surely, 2^205300450 is an apocalyptic number.

205300450 is a deficient number, since it is larger than the sum of its proper divisors (176558480).

205300450 is a wasteful number, since it uses less digits than its factorization.

205300450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106021 (or 4106016 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 205300450 is about 14328.3093908528. The cubic root of 205300450 is about 589.9247725593.

Adding to 205300450 its reverse (54003502), we get a palindrome (259303952).

The spelling of 205300450 in words is "two hundred five million, three hundred thousand, four hundred fifty".