204431010 has 64 divisors (see below), whose sum is σ = 568664064. Its totient is φ = 46065600.

The previous prime is 204431009. The next prime is 204431021. The reversal of 204431010 is 10134402.

204431010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8055 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (8885376).

Almost surely, 2^204431010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204431010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284332032).

204431010 is an abundant number, since it is smaller than the sum of its proper divisors (364233054).

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

204431010 is a wasteful number, since it uses less digits than its factorization.

204431010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204431010 is about 14297.9372638154. The cubic root of 204431010 is about 589.0908241581.

Adding to 204431010 its reverse (10134402), we get a palindrome (214565412).

The spelling of 204431010 in words is "two hundred four million, four hundred thirty-one thousand, ten".