21401032300 has 36 divisors (see below), whose sum is σ = 46459526400. Its totient is φ = 8556857920.

The previous prime is 21401032291. The next prime is 21401032307. The reversal of 21401032300 is 323010412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21401032307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204501 + ... + 290899.

It is an arithmetic number, because the mean of its divisors is an integer number (1290542400).

Almost surely, 2^21401032300 is an apocalyptic number.

21401032300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21401032300 is an abundant number, since it is smaller than the sum of its proper divisors (25058494100).

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

21401032300 is a wasteful number, since it uses less digits than its factorization.

21401032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88890 (or 88883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21401032300 its reverse (323010412), we get a palindrome (21724042712).

The spelling of 21401032300 in words is "twenty-one billion, four hundred one million, thirty-two thousand, three hundred".