200001996 has 18 divisors (see below), whose sum is σ = 505560692. Its totient is φ = 66667320.

The previous prime is 200001973. The next prime is 200002007. The reversal of 200001996 is 699100002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 2777770 + ... + 2777841.

Almost surely, 2^200001996 is an apocalyptic number.

It is an amenable number.

200001996 is an abundant number, since it is smaller than the sum of its proper divisors (305558696).

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

200001996 is a wasteful number, since it uses less digits than its factorization.

200001996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555621 (or 5555616 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 200001996 is about 14142.2061928116. The cubic root of 200001996 is about 584.8054930826.

Adding to 200001996 its reverse (699100002), we get a palindrome (899101998).

The spelling of 200001996 in words is "two hundred million, one thousand, nine hundred ninety-six".