20321231033333 has 8 divisors (see below), whose sum is σ = 20450822676480. Its totient is φ = 20191641378480.

The previous prime is 20321231033329. The next prime is 20321231033381. The reversal of 20321231033333 is 33333013212302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20321231033333 - 2² = 20321231033329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20321231033296 and 20321231033305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321231033393) 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, 23775488 + ... + 24615366.

It is an arithmetic number, because the mean of its divisors is an integer number (2556352834560).

Almost surely, 2^{20321231033333} is an apocalyptic number.

It is an amenable number.

20321231033333 is a deficient number, since it is larger than the sum of its proper divisors (129591643147).

20321231033333 is a wasteful number, since it uses less digits than its factorization.

20321231033333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994147.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 20321231033333 its reverse (33333013212302), we get a palindrome (53654244245635).

The spelling of 20321231033333 in words is "twenty trillion, three hundred twenty-one billion, two hundred thirty-one million, thirty-three thousand, three hundred thirty-three".