20321022332 has 48 divisors (see below), whose sum is σ = 39678757440. Its totient is φ = 9041614848.

The previous prime is 20321022299. The next prime is 20321022343. The reversal of 20321022332 is 23322012302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004873 + ... + 1024895.

It is an arithmetic number, because the mean of its divisors is an integer number (826640780).

Almost surely, 2^20321022332 is an apocalyptic number.

It is an amenable number.

20321022332 is a deficient number, since it is larger than the sum of its proper divisors (19357735108).

20321022332 is a wasteful number, since it uses less digits than its factorization.

20321022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742 (or 20740 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20321022332 its reverse (23322012302), we get a palindrome (43643034634).

The spelling of 20321022332 in words is "twenty billion, three hundred twenty-one million, twenty-two thousand, three hundred thirty-two".