204612342 has 32 divisors (see below), whose sum is σ = 461825280. Its totient is φ = 59865120.

The previous prime is 204612341. The next prime is 204612389. The reversal of 204612342 is 243216402.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204612341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51538 + ... + 55365.

It is an arithmetic number, because the mean of its divisors is an integer number (14432040).

Almost surely, 2^204612342 is an apocalyptic number.

204612342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204612342 is an abundant number, since it is smaller than the sum of its proper divisors (257212938).

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

204612342 is a wasteful number, since it uses less digits than its factorization.

204612342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106948.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 204612342 is about 14304.2770526860. The cubic root of 204612342 is about 589.2649488325.

Adding to 204612342 its reverse (243216402), we get a palindrome (447828744).

The spelling of 204612342 in words is "two hundred four million, six hundred twelve thousand, three hundred forty-two".