204632340 has 48 divisors (see below), whose sum is σ = 625060800. Its totient is φ = 49607680.

The previous prime is 204632321. The next prime is 204632341. The reversal of 204632340 is 43236402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204632340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204632341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154365 + ... + 155684.

It is an arithmetic number, because the mean of its divisors is an integer number (13022100).

Almost surely, 2^204632340 is an apocalyptic number.

204632340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204632340 is an abundant number, since it is smaller than the sum of its proper divisors (420428460).

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

204632340 is a wasteful number, since it uses less digits than its factorization.

204632340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310072 (or 310070 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 204632340 is about 14304.9760573026. The cubic root of 204632340 is about 589.2841456813.

Adding to 204632340 its reverse (43236402), we get a palindrome (247868742).

The spelling of 204632340 in words is "two hundred four million, six hundred thirty-two thousand, three hundred forty".