20322001112331 has 4 divisors (see below), whose sum is σ = 27096001483112. Its totient is φ = 13548000741552.

The previous prime is 20322001112269. The next prime is 20322001112339. The reversal of 20322001112331 is 13321110022302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20322001112331 - 2⁶ = 20322001112267 is a prime.

It is a super-2 number, since 2×20322001112331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20322001112298 and 20322001112307.

It is not an unprimeable number, because it can be changed into a prime (20322001112339) 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, 3387000185386 + ... + 3387000185391.

It is an arithmetic number, because the mean of its divisors is an integer number (6774000370778).

Almost surely, 2^{20322001112331} is an apocalyptic number.

20322001112331 is a deficient number, since it is larger than the sum of its proper divisors (6774000370781).

20322001112331 is an equidigital number, since it uses as much as digits as its factorization.

20322001112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774000370780.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20322001112331 its reverse (13321110022302), we get a palindrome (33643111134633).

The spelling of 20322001112331 in words is "twenty trillion, three hundred twenty-two billion, one million, one hundred twelve thousand, three hundred thirty-one".