21200322032000 has 64 divisors (see below), whose sum is σ = 52709300691840. Its totient is φ = 8480128806400.

The previous prime is 21200322031997. The next prime is 21200322032027. The reversal of 21200322032000 is 23022300212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 21200322032000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662494064 + ... + 662526063.

It is an arithmetic number, because the mean of its divisors is an integer number (823582823310).

Almost surely, 2^{21200322032000} is an apocalyptic number.

21200322032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21200322032000 is an abundant number, since it is smaller than the sum of its proper divisors (31508978659840).

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

21200322032000 is an equidigital number, since it uses as much as digits as its factorization.

21200322032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325020156 (or 1325020134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21200322032000 its reverse (23022300212), we get a palindrome (21223344332212).

The spelling of 21200322032000 in words is "twenty-one trillion, two hundred billion, three hundred twenty-two million, thirty-two thousand".