205033462820 has 24 divisors (see below), whose sum is σ = 430901279928. Its totient is φ = 81950336000.

The previous prime is 205033462819. The next prime is 205033462877. The reversal of 205033462820 is 28264330502.

It can be written as a sum of positive squares in 4 ways, for example, as 14761278016 + 190272184804 = 121496^2 + 436202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3913901 + ... + 3965940.

It is an arithmetic number, because the mean of its divisors is an integer number (17954219997).

Almost surely, 2^205033462820 is an apocalyptic number.

205033462820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205033462820 is an abundant number, since it is smaller than the sum of its proper divisors (225867817108).

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

205033462820 is a wasteful number, since it uses less digits than its factorization.

205033462820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881151 (or 7881149 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 205033462820 in words is "two hundred five billion, thirty-three million, four hundred sixty-two thousand, eight hundred twenty".