204134143242 has 32 divisors (see below), whose sum is σ = 409580841600. Its totient is φ = 67826308160.

The previous prime is 204134143229. The next prime is 204134143249. The reversal of 204134143242 is 242341431402.

It is not an unprimeable number, because it can be changed into a prime (204134143249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2303392 + ... + 2390372.

It is an arithmetic number, because the mean of its divisors is an integer number (12799401300).

Almost surely, 2^204134143242 is an apocalyptic number.

204134143242 is an abundant number, since it is smaller than the sum of its proper divisors (205446698358).

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

204134143242 is a wasteful number, since it uses less digits than its factorization.

204134143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88238.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204134143242 its reverse (242341431402), we get a palindrome (446475574644).

The spelling of 204134143242 in words is "two hundred four billion, one hundred thirty-four million, one hundred forty-three thousand, two hundred forty-two".