22000203200 has 168 divisors, whose sum is σ = 58294371600. Its totient is φ = 8141455360.

The previous prime is 22000203193. The next prime is 22000203223. The reversal of 22000203200 is 230200022.

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, 1597946 + ... + 1611654.

Almost surely, 2^22000203200 is an apocalyptic number.

22000203200 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 22000203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29147185800).

22000203200 is an abundant number, since it is smaller than the sum of its proper divisors (36294168400).

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

22000203200 is a wasteful number, since it uses less digits than its factorization.

22000203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807 (or 13792 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 22000203200 its reverse (230200022), we get a palindrome (22230403222).

The spelling of 22000203200 in words is "twenty-two billion, two hundred three thousand, two hundred".