20330220330311 has 8 divisors (see below), whose sum is σ = 21530771954304. Its totient is φ = 19156054456440.

The previous prime is 20330220330293. The next prime is 20330220330319. The reversal of 20330220330311 is 11303302203302.

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 20330220330311 - 2²² = 20330216136007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330220330319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6596435945 + ... + 6596439026.

It is an arithmetic number, because the mean of its divisors is an integer number (2691346494288).

Almost surely, 2^{20330220330311} is an apocalyptic number.

20330220330311 is a deficient number, since it is larger than the sum of its proper divisors (1200551623993).

20330220330311 is a wasteful number, since it uses less digits than its factorization.

20330220330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192875061.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20330220330311 its reverse (11303302203302), we get a palindrome (31633522533613).

The spelling of 20330220330311 in words is "twenty trillion, three hundred thirty billion, two hundred twenty million, three hundred thirty thousand, three hundred eleven".