21320202322200 has 96 divisors (see below), whose sum is σ = 66114224735760. Its totient is φ = 5683529433600.

The previous prime is 21320202322169. The next prime is 21320202322247. The reversal of 21320202322200 is 222320202312.

It is a super-2 number, since 2×21320202322200² (a number of 27 digits) contains 22 as substring.

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, 3967659 + ... + 7640858.

Almost surely, 2^{21320202322200} is an apocalyptic number.

21320202322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21320202322200 is an abundant number, since it is smaller than the sum of its proper divisors (44794022413560).

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

21320202322200 is a wasteful number, since it uses less digits than its factorization.

21320202322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611597 (or 11611588 counting only the distinct ones).

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

Adding to 21320202322200 its reverse (222320202312), we get a palindrome (21542522524512).

The spelling of 21320202322200 in words is "twenty-one trillion, three hundred twenty billion, two hundred two million, three hundred twenty-two thousand, two hundred".