20331321332332 has 12 divisors (see below), whose sum is σ = 35602345472680. Its totient is φ = 10159222625856.

The previous prime is 20331321332279. The next prime is 20331321332359. The reversal of 20331321332332 is 23323312313302.

It is a junction number, because it is equal to n+sod(n) for n = 20331321332294 and 20331321332303.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1609502973 + ... + 1609515604.

Almost surely, 2^{20331321332332} is an apocalyptic number.

It is an amenable number.

20331321332332 is a deficient number, since it is larger than the sum of its proper divisors (15271024140348).

20331321332332 is a wasteful number, since it uses less digits than its factorization.

20331321332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219020160 (or 3219020158 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 20331321332332 its reverse (23323312313302), we get a palindrome (43654633645634).

The spelling of 20331321332332 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-one million, three hundred thirty-two thousand, three hundred thirty-two".