21223202320200 has 192 divisors, whose sum is σ = 65870261444160. Its totient is φ = 5652786078720.

The previous prime is 21223202320183. The next prime is 21223202320253. The reversal of 21223202320200 is 202320232212.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3233762119 + ... + 3233768681.

It is an arithmetic number, because the mean of its divisors is an integer number (343074278355).

Almost surely, 2^{21223202320200} is an apocalyptic number.

21223202320200 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 21223202320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32935130722080).

21223202320200 is an abundant number, since it is smaller than the sum of its proper divisors (44647059123960).

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

21223202320200 is a wasteful number, since it uses less digits than its factorization.

21223202320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21223202320200 its reverse (202320232212), we get a palindrome (21425522552412).

The spelling of 21223202320200 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred two million, three hundred twenty thousand, two hundred".