204230215 has 32 divisors (see below), whose sum is σ = 285626880. Its totient is φ = 137303424.

The previous prime is 204230203. The next prime is 204230233. The reversal of 204230215 is 512032402.

It is a cyclic number.

It is not a de Polignac number, because 204230215 - 2¹⁷ = 204099143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204230192 and 204230201.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 665092 + ... + 665398.

It is an arithmetic number, because the mean of its divisors is an integer number (8925840).

Almost surely, 2^204230215 is an apocalyptic number.

204230215 is a deficient number, since it is larger than the sum of its proper divisors (81396665).

204230215 is a wasteful number, since it uses less digits than its factorization.

204230215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 204230215 is about 14290.9137216624. The cubic root of 204230215 is about 588.8978898918.

Adding to 204230215 its reverse (512032402), we get a palindrome (716262617).

The spelling of 204230215 in words is "two hundred four million, two hundred thirty thousand, two hundred fifteen".