21303330200 has 48 divisors (see below), whose sum is σ = 51128007360. Its totient is φ = 8246448000.

The previous prime is 21303330163. The next prime is 21303330211. The reversal of 21303330200 is 203330312.

It is a super-2 number, since 2×21303330200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1711811 + ... + 1724210.

It is an arithmetic number, because the mean of its divisors is an integer number (1065166820).

Almost surely, 2^21303330200 is an apocalyptic number.

21303330200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303330200 is an abundant number, since it is smaller than the sum of its proper divisors (29824677160).

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

21303330200 is a wasteful number, since it uses less digits than its factorization.

21303330200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436068 (or 3436059 counting only the distinct ones).

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

Adding to 21303330200 its reverse (203330312), we get a palindrome (21506660512).

The spelling of 21303330200 in words is "twenty-one billion, three hundred three million, three hundred thirty thousand, two hundred".