205530355232 has 48 divisors (see below), whose sum is σ = 428490663552. Its totient is φ = 96708756480.

The previous prime is 205530355231. The next prime is 205530355259. The reversal of 205530355232 is 232553035502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205530355192 and 205530355201.

It is not an unprimeable number, because it can be changed into a prime (205530355231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6175757 + ... + 6208947.

It is an arithmetic number, because the mean of its divisors is an integer number (8926888824).

Almost surely, 2^205530355232 is an apocalyptic number.

It is an amenable number.

205530355232 is an abundant number, since it is smaller than the sum of its proper divisors (222960308320).

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

205530355232 is a wasteful number, since it uses less digits than its factorization.

205530355232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44601 (or 44593 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 35.

The spelling of 205530355232 in words is "two hundred five billion, five hundred thirty million, three hundred fifty-five thousand, two hundred thirty-two".