205500069392 has 20 divisors (see below), whose sum is σ = 421577348796. Its totient is φ = 96705914880.

The previous prime is 205500069377. The next prime is 205500069427. The reversal of 205500069392 is 293960005502.

It can be written as a sum of positive squares in 2 ways, for example, as 177018781696 + 28481287696 = 420736^2 + 168764^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 377757209 + ... + 377757752.

Almost surely, 2^205500069392 is an apocalyptic number.

It is an amenable number.

205500069392 is an abundant number, since it is smaller than the sum of its proper divisors (216077279404).

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

205500069392 is a wasteful number, since it uses less digits than its factorization.

205500069392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755514986 (or 755514980 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 205500069392 in words is "two hundred five billion, five hundred million, sixty-nine thousand, three hundred ninety-two".