20330012311 has 8 divisors (see below), whose sum is σ = 23235173280. Its totient is φ = 17425069728.

The previous prime is 20330012251. The next prime is 20330012323. The reversal of 20330012311 is 11321003302.

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 20330012311 - 2²³ = 20321623703 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 (20330012371) 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, 289425 + ... + 352741.

It is an arithmetic number, because the mean of its divisors is an integer number (2904396660).

Almost surely, 2^20330012311 is an apocalyptic number.

20330012311 is a deficient number, since it is larger than the sum of its proper divisors (2905160969).

20330012311 is an equidigital number, since it uses as much as digits as its factorization.

20330012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109193.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20330012311 its reverse (11321003302), we get a palindrome (31651015613).

Subtracting from 20330012311 its reverse (11321003302), we obtain a palindrome (9009009009).

The spelling of 20330012311 in words is "twenty billion, three hundred thirty million, twelve thousand, three hundred eleven".