20033113011321 has 4 divisors (see below), whose sum is σ = 26710817348432. Its totient is φ = 13355408674212.

The previous prime is 20033113011299. The next prime is 20033113011389. The reversal of 20033113011321 is 12311031133002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20033113011321 - 2²¹ = 20033110914169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033113011221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338852168551 + ... + 3338852168556.

It is an arithmetic number, because the mean of its divisors is an integer number (6677704337108).

Almost surely, 2^{20033113011321} is an apocalyptic number.

It is an amenable number.

20033113011321 is a deficient number, since it is larger than the sum of its proper divisors (6677704337111).

20033113011321 is an equidigital number, since it uses as much as digits as its factorization.

20033113011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677704337110.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20033113011321 its reverse (12311031133002), we get a palindrome (32344144144323).

The spelling of 20033113011321 in words is "twenty trillion, thirty-three billion, one hundred thirteen million, eleven thousand, three hundred twenty-one".