204403340 has 24 divisors (see below), whose sum is σ = 433189680. Its totient is φ = 81010368.

The previous prime is 204403333. The next prime is 204403357. The reversal of 204403340 is 43304402.

It is a happy number.

204403340 is digitally balanced in base 2, 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 (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44702 + ... + 49061.

It is an arithmetic number, because the mean of its divisors is an integer number (18049570).

Almost surely, 2^204403340 is an apocalyptic number.

204403340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204403340 is an abundant number, since it is smaller than the sum of its proper divisors (228786340).

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

204403340 is a wasteful number, since it uses less digits than its factorization.

204403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93881 (or 93879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 204403340 is about 14296.9696089766. The cubic root of 204403340 is about 589.0642448921.

Adding to 204403340 its reverse (43304402), we get a palindrome (247707742).

The spelling of 204403340 in words is "two hundred four million, four hundred three thousand, three hundred forty".