20033103011321 has 16 divisors (see below), whose sum is σ = 20160701003520. Its totient is φ = 19905996615120.

The previous prime is 20033103011293. The next prime is 20033103011359. The reversal of 20033103011321 is 12311030133002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033103011321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033103011293 and 20033103011302.

It is not an unprimeable number, because it can be changed into a prime (20033103011381) 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, 142677770 + ... + 142818108.

It is an arithmetic number, because the mean of its divisors is an integer number (1260043812720).

Almost surely, 2^{20033103011321} is an apocalyptic number.

It is an amenable number.

20033103011321 is a deficient number, since it is larger than the sum of its proper divisors (127597992199).

20033103011321 is a wasteful number, since it uses less digits than its factorization.

20033103011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142084.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20033103011321 its reverse (12311030133002), we get a palindrome (32344133144323).

The spelling of 20033103011321 in words is "twenty trillion, thirty-three billion, one hundred three million, eleven thousand, three hundred twenty-one".