204322040 has 32 divisors (see below), whose sum is σ = 495089280. Its totient is φ = 75441792.

The previous prime is 204322039. The next prime is 204322043. The reversal of 204322040 is 40223402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204322043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195944 + ... + 196983.

It is an arithmetic number, because the mean of its divisors is an integer number (15471540).

Almost surely, 2^204322040 is an apocalyptic number.

204322040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204322040 is an abundant number, since it is smaller than the sum of its proper divisors (290767240).

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

204322040 is a wasteful number, since it uses less digits than its factorization.

204322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392951 (or 392947 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204322040 is about 14294.1260663253. The cubic root of 204322040 is about 588.9861358065.

Adding to 204322040 its reverse (40223402), we get a palindrome (244545442).

The spelling of 204322040 in words is "two hundred four million, three hundred twenty-two thousand, forty".