20332243131311 has 4 divisors (see below), whose sum is σ = 20332253790072. Its totient is φ = 20332232472552.

The previous prime is 20332243131293. The next prime is 20332243131313. The reversal of 20332243131311 is 11313134223302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20332243131311 - 2⁶ = 20332243131247 is a prime.

It is a super-2 number, since 2×20332243131311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332243131313) 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, 1596485 + ... + 6573678.

It is an arithmetic number, because the mean of its divisors is an integer number (5083063447518).

Almost surely, 2^{20332243131311} is an apocalyptic number.

20332243131311 is a deficient number, since it is larger than the sum of its proper divisors (10658761).

20332243131311 is an equidigital number, since it uses as much as digits as its factorization.

20332243131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658760.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20332243131311 its reverse (11313134223302), we get a palindrome (31645377354613).

The spelling of 20332243131311 in words is "twenty trillion, three hundred thirty-two billion, two hundred forty-three million, one hundred thirty-one thousand, three hundred eleven".