200018208 has 96 divisors (see below), whose sum is σ = 568403136. Its totient is φ = 61221888.

The previous prime is 200018197. The next prime is 200018227. The reversal of 200018208 is 802810002.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365391 + ... + 365937.

It is an arithmetic number, because the mean of its divisors is an integer number (5920866).

Almost surely, 2^200018208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200018208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284201568).

200018208 is an abundant number, since it is smaller than the sum of its proper divisors (368384928).

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

200018208 is a wasteful number, since it uses less digits than its factorization.

200018208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 200018208 is about 14142.7793590935. The cubic root of 200018208 is about 584.8212939424.

The spelling of 200018208 in words is "two hundred million, eighteen thousand, two hundred eight".