21300033013320 has 32 divisors (see below), whose sum is σ = 63900099040320. Its totient is φ = 5680008803520.

The previous prime is 21300033013283. The next prime is 21300033013351. The reversal of 21300033013320 is 2331033000312.

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 7 ways as a sum of consecutive naturals, for example, 88750137436 + ... + 88750137675.

It is an arithmetic number, because the mean of its divisors is an integer number (1996878095010).

Almost surely, 2^{21300033013320} is an apocalyptic number.

21300033013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300033013320 is an abundant number, since it is smaller than the sum of its proper divisors (42600066027000).

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

21300033013320 is a wasteful number, since it uses less digits than its factorization.

21300033013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177500275125 (or 177500275121 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21300033013320 its reverse (2331033000312), we get a palindrome (23631066013632).

The spelling of 21300033013320 in words is "twenty-one trillion, three hundred billion, thirty-three million, thirteen thousand, three hundred twenty".