204105230 has 32 divisors (see below), whose sum is σ = 444574656. Its totient is φ = 65862144.

The previous prime is 204105211. The next prime is 204105241. The reversal of 204105230 is 32501402.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204105199 and 204105208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84569 + ... + 86948.

It is an arithmetic number, because the mean of its divisors is an integer number (13892958).

Almost surely, 2^204105230 is an apocalyptic number.

204105230 is an abundant number, since it is smaller than the sum of its proper divisors (240469426).

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

204105230 is a wasteful number, since it uses less digits than its factorization.

204105230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171548.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 204105230 is about 14286.5401689842. The cubic root of 204105230 is about 588.7777339484. Note that the first 4 decimals are identical.

Adding to 204105230 its reverse (32501402), we get a palindrome (236606632).

The spelling of 204105230 in words is "two hundred four million, one hundred five thousand, two hundred thirty".