204534520305432 has 64 divisors (see below), whose sum is σ = 516674842041600. Its totient is φ = 67469267349120.

The previous prime is 204534520305431. The next prime is 204534520305539. The reversal of 204534520305432 is 234503025435402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204534520305431) 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, 89477863 + ... + 91735254.

It is an arithmetic number, because the mean of its divisors is an integer number (8073044406900).

Almost surely, 2^{204534520305432} is an apocalyptic number.

It is an amenable number.

204534520305432 is an abundant number, since it is smaller than the sum of its proper divisors (312140321736168).

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

204534520305432 is a wasteful number, since it uses less digits than its factorization.

204534520305432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181213616 (or 181213612 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 42.

The spelling of 204534520305432 in words is "two hundred four trillion, five hundred thirty-four billion, five hundred twenty million, three hundred five thousand, four hundred thirty-two".