20133120331333 has 4 divisors (see below), whose sum is σ = 20198700528160. Its totient is φ = 20067540134508.

The previous prime is 20133120331327. The next prime is 20133120331361. The reversal of 20133120331333 is 33313302133102.

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 a cyclic number.

It is not a de Polignac number, because 20133120331333 - 2⁴¹ = 17934097075781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133120331733) 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, 32790097953 + ... + 32790098566.

It is an arithmetic number, because the mean of its divisors is an integer number (5049675132040).

Almost surely, 2^{20133120331333} is an apocalyptic number.

It is an amenable number.

20133120331333 is a deficient number, since it is larger than the sum of its proper divisors (65580196827).

20133120331333 is an equidigital number, since it uses as much as digits as its factorization.

20133120331333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65580196826.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 20133120331333 its reverse (33313302133102), we get a palindrome (53446422464435).

The spelling of 20133120331333 in words is "twenty trillion, one hundred thirty-three billion, one hundred twenty million, three hundred thirty-one thousand, three hundred thirty-three".