21330330200 has 24 divisors (see below), whose sum is σ = 49593018180. Its totient is φ = 8532132000.

The previous prime is 21330330199. The next prime is 21330330209. The reversal of 21330330200 is 203303312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330330209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53325626 + ... + 53326025.

Almost surely, 2^21330330200 is an apocalyptic number.

21330330200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21330330200 is an abundant number, since it is smaller than the sum of its proper divisors (28262687980).

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

21330330200 is a wasteful number, since it uses less digits than its factorization.

21330330200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106651667 (or 106651658 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 21330330200 its reverse (203303312), we get a palindrome (21533633512).

The spelling of 21330330200 in words is "twenty-one billion, three hundred thirty million, three hundred thirty thousand, two hundred".