204432051434 has 32 divisors (see below), whose sum is σ = 334012478016. Its totient is φ = 93276541440.

The previous prime is 204432051433. The next prime is 204432051451. The reversal of 204432051434 is 434150234402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204432051434.

It is not an unprimeable number, because it can be changed into a prime (204432051431) 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, 2242769 + ... + 2332139.

It is an arithmetic number, because the mean of its divisors is an integer number (10437889938).

Almost surely, 2^204432051434 is an apocalyptic number.

204432051434 is a deficient number, since it is larger than the sum of its proper divisors (129580426582).

204432051434 is a wasteful number, since it uses less digits than its factorization.

204432051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90390.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 204432051434 its reverse (434150234402), we get a palindrome (638582285836).

The spelling of 204432051434 in words is "two hundred four billion, four hundred thirty-two million, fifty-one thousand, four hundred thirty-four".