21303213220200 has 96 divisors (see below), whose sum is σ = 66040671564000. Its totient is φ = 5680795733760.

The previous prime is 21303213220199. The next prime is 21303213220207. The reversal of 21303213220200 is 202231230312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21303213220207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95698626 + ... + 95920974.

It is an arithmetic number, because the mean of its divisors is an integer number (687923662125).

Almost surely, 2^{21303213220200} is an apocalyptic number.

21303213220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303213220200 is an abundant number, since it is smaller than the sum of its proper divisors (44737458343800).

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

21303213220200 is a wasteful number, since it uses less digits than its factorization.

21303213220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382051 (or 382042 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21303213220200 its reverse (202231230312), we get a palindrome (21505444450512).

The spelling of 21303213220200 in words is "twenty-one trillion, three hundred three billion, two hundred thirteen million, two hundred twenty thousand, two hundred".