21000332302 has 8 divisors (see below), whose sum is σ = 31528906200. Its totient is φ = 10490696904.

The previous prime is 21000332219. The next prime is 21000332317. The reversal of 21000332302 is 20323300012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731852 + ... + 4736287.

It is an arithmetic number, because the mean of its divisors is an integer number (3941113275).

Almost surely, 2^21000332302 is an apocalyptic number.

21000332302 is a deficient number, since it is larger than the sum of its proper divisors (10528573898).

21000332302 is a wasteful number, since it uses less digits than its factorization.

21000332302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469250.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 21000332302 its reverse (20323300012), we get a palindrome (41323632314).

The spelling of 21000332302 in words is "twenty-one billion, three hundred thirty-two thousand, three hundred two".