21302320133000 has 64 divisors (see below), whose sum is σ = 49850879569920. Its totient is φ = 8520338232000.

The previous prime is 21302320132999. The next prime is 21302320133009. The reversal of 21302320133000 is 33102320312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (21302320133009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13861019 + ... + 15320981.

It is an arithmetic number, because the mean of its divisors is an integer number (778919993280).

Almost surely, 2^{21302320133000} is an apocalyptic number.

21302320133000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302320133000 is an abundant number, since it is smaller than the sum of its proper divisors (28548559436920).

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

21302320133000 is a wasteful number, since it uses less digits than its factorization.

21302320133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474575 (or 1474561 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21302320133000 its reverse (33102320312), we get a palindrome (21335422453312).

The spelling of 21302320133000 in words is "twenty-one trillion, three hundred two billion, three hundred twenty million, one hundred thirty-three thousand".