21302210230 has 96 divisors (see below), whose sum is σ = 47209900032. Its totient is φ = 6776716800.

The previous prime is 21302210161. The next prime is 21302210231. The reversal of 21302210230 is 3201220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302210231) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1428915 + ... + 1443745.

It is an arithmetic number, because the mean of its divisors is an integer number (491769792).

Almost surely, 2^21302210230 is an apocalyptic number.

21302210230 is an abundant number, since it is smaller than the sum of its proper divisors (25907689802).

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

21302210230 is a wasteful number, since it uses less digits than its factorization.

21302210230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950 (or 14933 counting only the distinct ones).

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

Adding to 21302210230 its reverse (3201220312), we get a palindrome (24503430542).

The spelling of 21302210230 in words is "twenty-one billion, three hundred two million, two hundred ten thousand, two hundred thirty".