200009800 has 48 divisors (see below), whose sum is σ = 466504740. Its totient is φ = 79749120.

The previous prime is 200009731. The next prime is 200009819. The reversal of 200009800 is 8900002.

It can be written as a sum of positive squares in 6 ways, for example, as 53260804 + 146748996 = 7298^2 + 12114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69184 + ... + 72016.

Almost surely, 2^200009800 is an apocalyptic number.

200009800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200009800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233252370).

200009800 is an abundant number, since it is smaller than the sum of its proper divisors (266494940).

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

200009800 is a wasteful number, since it uses less digits than its factorization.

200009800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 200009800 is about 14142.4821018094. The cubic root of 200009800 is about 584.8130992778.

Adding to 200009800 its reverse (8900002), we get a palindrome (208909802).

It can be divided in two parts, 20000 and 9800, that multiplied together give a square (196000000 = 14000²).

The spelling of 200009800 in words is "two hundred million, nine thousand, eight hundred".