21330120023000 has 64 divisors (see below), whose sum is σ = 50243027440320. Its totient is φ = 8475544320000.

The previous prime is 21330120022979. The next prime is 21330120023057. The reversal of 21330120023000 is 32002103312.

It is a self number, because there is not a number n which added to its sum of digits gives 21330120023000.

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 15 ways as a sum of consecutive naturals, for example, 70478537 + ... + 70780536.

It is an arithmetic number, because the mean of its divisors is an integer number (785047303755).

Almost surely, 2^{21330120023000} is an apocalyptic number.

21330120023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21330120023000 is an abundant number, since it is smaller than the sum of its proper divisors (28912907417320).

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

21330120023000 is a wasteful number, since it uses less digits than its factorization.

21330120023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141259245 (or 141259231 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21330120023000 its reverse (32002103312), we get a palindrome (21362122126312).

The spelling of 21330120023000 in words is "twenty-one trillion, three hundred thirty billion, one hundred twenty million, twenty-three thousand".