20321123011330 has 32 divisors (see below), whose sum is σ = 39322397064960. Its totient is φ = 7536792764160.

The previous prime is 20321123011303. The next prime is 20321123011333. The reversal of 20321123011330 is 3311032112302.

It is not an unprimeable number, because it can be changed into a prime (20321123011333) by changing a digit.

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, 1137791911 + ... + 1137809770.

It is an arithmetic number, because the mean of its divisors is an integer number (1228824908280).

Almost surely, 2^{20321123011330} is an apocalyptic number.

20321123011330 is a deficient number, since it is larger than the sum of its proper divisors (19001274053630).

20321123011330 is a wasteful number, since it uses less digits than its factorization.

20321123011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275601754.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20321123011330 its reverse (3311032112302), we get a palindrome (23632155123632).

The spelling of 20321123011330 in words is "twenty trillion, three hundred twenty-one billion, one hundred twenty-three million, eleven thousand, three hundred thirty".