21300203132 has 24 divisors (see below), whose sum is σ = 40146706656. Its totient is φ = 9829879488.

The previous prime is 21300203129. The next prime is 21300203153. The reversal of 21300203132 is 23130200312.

It is a self number, because there is not a number n which added to its sum of digits gives 21300203132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887393 + ... + 911079.

It is an arithmetic number, because the mean of its divisors is an integer number (1672779444).

Almost surely, 2^21300203132 is an apocalyptic number.

It is an amenable number.

21300203132 is a deficient number, since it is larger than the sum of its proper divisors (18846503524).

21300203132 is a wasteful number, since it uses less digits than its factorization.

21300203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40997 (or 40995 counting only the distinct ones).

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

Adding to 21300203132 its reverse (23130200312), we get a palindrome (44430403444).

The spelling of 21300203132 in words is "twenty-one billion, three hundred million, two hundred three thousand, one hundred thirty-two".