200266066640 has 20 divisors (see below), whose sum is σ = 465618605124. Its totient is φ = 80106426624.

The previous prime is 200266066633. The next prime is 200266066661. The reversal of 200266066640 is 46660662002.

It can be written as a sum of positive squares in 2 ways, for example, as 23576988304 + 176689078336 = 153548^2 + 420344^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 200266066594 and 200266066603.

It is a congruent number.

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, 1251662837 + ... + 1251662996.

Almost surely, 2^200266066640 is an apocalyptic number.

200266066640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200266066640 is an abundant number, since it is smaller than the sum of its proper divisors (265352538484).

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

200266066640 is a wasteful number, since it uses less digits than its factorization.

200266066640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503325846 (or 2503325840 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 200266066640 in words is "two hundred billion, two hundred sixty-six million, sixty-six thousand, six hundred forty".