21033324300320 has 48 divisors (see below), whose sum is σ = 49691516757120. Its totient is φ = 8413280941824.

The previous prime is 21033324300269. The next prime is 21033324300343. The reversal of 21033324300320 is 2300342333012.

It is a super-2 number, since 2×21033324300320² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21033324300320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41952239 + ... + 42450641.

It is an arithmetic number, because the mean of its divisors is an integer number (1035239932440).

Almost surely, 2^{21033324300320} is an apocalyptic number.

21033324300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033324300320 is an abundant number, since it is smaller than the sum of its proper divisors (28658192456800).

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

21033324300320 is a wasteful number, since it uses less digits than its factorization.

21033324300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762177 (or 762169 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 21033324300320 its reverse (2300342333012), we get a palindrome (23333666633332).

The spelling of 21033324300320 in words is "twenty-one trillion, thirty-three billion, three hundred twenty-four million, three hundred thousand, three hundred twenty".