21020332002332 has 12 divisors (see below), whose sum is σ = 39615241081416. Its totient is φ = 9701691693360.

The previous prime is 21020332002289. The next prime is 21020332002353. The reversal of 21020332002332 is 23320023302012.

It is a junction number, because it is equal to n+sod(n) for n = 21020332002298 and 21020332002307.

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, 202118576894 + ... + 202118576997.

It is an arithmetic number, because the mean of its divisors is an integer number (3301270090118).

Almost surely, 2^{21020332002332} is an apocalyptic number.

It is an amenable number.

21020332002332 is a deficient number, since it is larger than the sum of its proper divisors (18594909079084).

21020332002332 is a wasteful number, since it uses less digits than its factorization.

21020332002332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404237153908 (or 404237153906 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21020332002332 its reverse (23320023302012), we get a palindrome (44340355304344).

The spelling of 21020332002332 in words is "twenty-one trillion, twenty billion, three hundred thirty-two million, two thousand, three hundred thirty-two".