205055525828 has 6 divisors (see below), whose sum is σ = 358847170206. Its totient is φ = 102527762912.

The previous prime is 205055525827. The next prime is 205055525839. The reversal of 205055525828 is 828525550502.

205055525828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 141550517824 + 63505008004 = 376232^2 + 252002^2 .

It is not an unprimeable number, because it can be changed into a prime (205055525827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25631940725 + ... + 25631940732.

It is an arithmetic number, because the mean of its divisors is an integer number (59807861701).

Almost surely, 2^205055525828 is an apocalyptic number.

It is an amenable number.

205055525828 is a deficient number, since it is larger than the sum of its proper divisors (153791644378).

205055525828 is a wasteful number, since it uses less digits than its factorization.

205055525828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51263881461 (or 51263881459 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 47.

The spelling of 205055525828 in words is "two hundred five billion, fifty-five million, five hundred twenty-five thousand, eight hundred twenty-eight".