21333230332 has 12 divisors (see below), whose sum is σ = 37335356296. Its totient is φ = 10665985680.

The previous prime is 21333230311. The next prime is 21333230339. The reversal of 21333230332 is 23303233312.

It is a junction number, because it is equal to n+sod(n) for n = 21333230297 and 21333230306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333230339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76503 + ... + 220270.

Almost surely, 2^21333230332 is an apocalyptic number.

It is an amenable number.

21333230332 is a deficient number, since it is larger than the sum of its proper divisors (16002125964).

21333230332 is a wasteful number, since it uses less digits than its factorization.

21333230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314748 (or 314746 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 21333230332 its reverse (23303233312), we get a palindrome (44636463644).

The spelling of 21333230332 in words is "twenty-one billion, three hundred thirty-three million, two hundred thirty thousand, three hundred thirty-two".