20112022231 has 8 divisors (see below), whose sum is σ = 23012968320. Its totient is φ = 17218026168.

The previous prime is 20112022223. The next prime is 20112022237. The reversal of 20112022231 is 13222021102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112022231 - 2³ = 20112022223 is a prime.

It is a super-2 number, since 2×20112022231² (a number of 21 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 (20112022237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731301 + ... + 1742878.

It is an arithmetic number, because the mean of its divisors is an integer number (2876621040).

Almost surely, 2^20112022231 is an apocalyptic number.

20112022231 is a deficient number, since it is larger than the sum of its proper divisors (2900946089).

20112022231 is an equidigital number, since it uses as much as digits as its factorization.

20112022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475013.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20112022231 its reverse (13222021102), we get a palindrome (33334043333).

The spelling of 20112022231 in words is "twenty billion, one hundred twelve million, twenty-two thousand, two hundred thirty-one".