200018383820 has 24 divisors (see below), whose sum is σ = 420114945600. Its totient is φ = 79992812672.

The previous prime is 200018383753. The next prime is 200018383837. The reversal of 200018383820 is 28383810002.

It is a happy number.

200018383820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 795665 + ... + 1016424.

It is an arithmetic number, because the mean of its divisors is an integer number (17504789400).

Almost surely, 2^200018383820 is an apocalyptic number.

200018383820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200018383820 is an abundant number, since it is smaller than the sum of its proper divisors (220096561780).

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

200018383820 is a wasteful number, since it uses less digits than its factorization.

200018383820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817617 (or 1817615 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 200018383820 in words is "two hundred billion, eighteen million, three hundred eighty-three thousand, eight hundred twenty".