20033000231321 has 16 divisors (see below), whose sum is σ = 26445396792960. Its totient is φ = 14691887105280.

The previous prime is 20033000231297. The next prime is 20033000231323. The reversal of 20033000231321 is 12313200033002.

It is not a de Polignac number, because 20033000231321 - 2²⁶ = 20032933122457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20033000231293 and 20033000231302.

It is not an unprimeable number, because it can be changed into a prime (20033000231323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7652023226 + ... + 7652025843.

It is an arithmetic number, because the mean of its divisors is an integer number (1652837299560).

Almost surely, 2^{20033000231321} is an apocalyptic number.

It is an amenable number.

20033000231321 is a deficient number, since it is larger than the sum of its proper divisors (6412396561639).

20033000231321 is a wasteful number, since it uses less digits than its factorization.

20033000231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304049104.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20033000231321 its reverse (12313200033002), we get a palindrome (32346200264323).

The spelling of 20033000231321 in words is "twenty trillion, thirty-three billion, two hundred thirty-one thousand, three hundred twenty-one".