20321121330332 has 24 divisors (see below), whose sum is σ = 35568985712400. Its totient is φ = 10158554220416.

The previous prime is 20321121330331. The next prime is 20321121330359. The reversal of 20321121330332 is 23303312112302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321121330331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597329219 + ... + 597363237.

It is an arithmetic number, because the mean of its divisors is an integer number (1482041071350).

Almost surely, 2^{20321121330332} is an apocalyptic number.

It is an amenable number.

20321121330332 is a deficient number, since it is larger than the sum of its proper divisors (15247864382068).

20321121330332 is a wasteful number, since it uses less digits than its factorization.

20321121330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59125 (or 59123 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20321121330332 its reverse (23303312112302), we get a palindrome (43624433442634).

The spelling of 20321121330332 in words is "twenty trillion, three hundred twenty-one billion, one hundred twenty-one million, three hundred thirty thousand, three hundred thirty-two".