20133320311 has 8 divisors (see below), whose sum is σ = 21701360240. Its totient is φ = 18568040832.

The previous prime is 20133320281. The next prime is 20133320321. The reversal of 20133320311 is 11302333102.

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 20133320311 - 2⁵ = 20133320279 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 (20133320321) 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, 674946 + ... + 704143.

It is an arithmetic number, because the mean of its divisors is an integer number (2712670030).

Almost surely, 2^20133320311 is an apocalyptic number.

20133320311 is a deficient number, since it is larger than the sum of its proper divisors (1568039929).

20133320311 is a wasteful number, since it uses less digits than its factorization.

20133320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380225.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20133320311 its reverse (11302333102), we get a palindrome (31435653413).

The spelling of 20133320311 in words is "twenty billion, one hundred thirty-three million, three hundred twenty thousand, three hundred eleven".