21013302013320 has 64 divisors (see below), whose sum is σ = 63040678729920. Its totient is φ = 5603478520064.

The previous prime is 21013302013303. The next prime is 21013302013349. The reversal of 21013302013320 is 2331020331012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9162934 + ... + 11224346.

It is an arithmetic number, because the mean of its divisors is an integer number (985010605155).

Almost surely, 2^{21013302013320} is an apocalyptic number.

21013302013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21013302013320 is an abundant number, since it is smaller than the sum of its proper divisors (42027376716600).

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

21013302013320 is a wasteful number, since it uses less digits than its factorization.

21013302013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146374 (or 2146370 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21013302013320 its reverse (2331020331012), we get a palindrome (23344322344332).

The spelling of 21013302013320 in words is "twenty-one trillion, thirteen billion, three hundred two million, thirteen thousand, three hundred twenty".