20331332234311 has 48 divisors (see below), whose sum is σ = 24249938457600. Its totient is φ = 16990650294912.

The previous prime is 20331332234287. The next prime is 20331332234333. The reversal of 20331332234311 is 11343223313302.

It is not a de Polignac number, because 20331332234311 - 2²⁹ = 20330795363399 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 (20331332231311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225675571 + ... + 225765643.

It is an arithmetic number, because the mean of its divisors is an integer number (505207051200).

Almost surely, 2^{20331332234311} is an apocalyptic number.

20331332234311 is a deficient number, since it is larger than the sum of its proper divisors (3918606223289).

20331332234311 is a wasteful number, since it uses less digits than its factorization.

20331332234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90788 (or 90781 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 20331332234311 its reverse (11343223313302), we get a palindrome (31674555547613).

The spelling of 20331332234311 in words is "twenty trillion, three hundred thirty-one billion, three hundred thirty-two million, two hundred thirty-four thousand, three hundred eleven".