21302323332320 has 24 divisors (see below), whose sum is σ = 50326738872984. Its totient is φ = 8520929332864.

The previous prime is 21302323332319. The next prime is 21302323332371. The reversal of 21302323332320 is 2323332320312.

21302323332320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×21302323332320³ (a number of 41 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 66569760254 + ... + 66569760573.

It is an arithmetic number, because the mean of its divisors is an integer number (2096947453041).

Almost surely, 2^{21302323332320} is an apocalyptic number.

21302323332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302323332320 is an abundant number, since it is smaller than the sum of its proper divisors (29024415540664).

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

21302323332320 is a wasteful number, since it uses less digits than its factorization.

21302323332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133139520842 (or 133139520834 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 21302323332320 its reverse (2323332320312), we get a palindrome (23625655652632).

The spelling of 21302323332320 in words is "twenty-one trillion, three hundred two billion, three hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty".