21032320200000 has 168 divisors, whose sum is σ = 69555567471264. Its totient is φ = 5608618560000.

The previous prime is 21032320199999. The next prime is 21032320200061. The reversal of 21032320200000 is 202323012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16926934 + ... + 18126933.

It is an arithmetic number, because the mean of its divisors is an integer number (414021234948).

Almost surely, 2^{21032320200000} is an apocalyptic number.

21032320200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032320200000 is an abundant number, since it is smaller than the sum of its proper divisors (48523247271264).

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

21032320200000 is an frugal number, since it uses more digits than its factorization.

21032320200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35053907 (or 35053877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21032320200000 its reverse (202323012), we get a palindrome (21032522523012).

The spelling of 21032320200000 in words is "twenty-one trillion, thirty-two billion, three hundred twenty million, two hundred thousand".