200021300 has 72 divisors (see below), whose sum is σ = 452804352. Its totient is φ = 76608000.

The previous prime is 200021293. The next prime is 200021333. The reversal of 200021300 is 3120002.

200021300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350015 + ... + 350585.

Almost surely, 2^200021300 is an apocalyptic number.

200021300 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 200021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226402176).

200021300 is an abundant number, since it is smaller than the sum of its proper divisors (252783052).

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

200021300 is a wasteful number, since it uses less digits than its factorization.

200021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 200021300 is about 14142.8886724035. Note that the first 3 decimals coincide. The cubic root of 200021300 is about 584.8243074316.

Adding to 200021300 its reverse (3120002), we get a palindrome (203141302).

The spelling of 200021300 in words is "two hundred million, twenty-one thousand, three hundred".