204413340 has 96 divisors (see below), whose sum is σ = 589317120. Its totient is φ = 52915456.

The previous prime is 204413333. The next prime is 204413371. The reversal of 204413340 is 43314402.

204413340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 487651 + ... + 488069.

It is an arithmetic number, because the mean of its divisors is an integer number (6138720).

Almost surely, 2^204413340 is an apocalyptic number.

204413340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204413340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294658560).

204413340 is an abundant number, since it is smaller than the sum of its proper divisors (384903780).

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

204413340 is a wasteful number, since it uses less digits than its factorization.

204413340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 204413340 is about 14297.3193291610. The cubic root of 204413340 is about 589.0738509751.

Adding to 204413340 its reverse (43314402), we get a palindrome (247727742).

The spelling of 204413340 in words is "two hundred four million, four hundred thirteen thousand, three hundred forty".