20212230422 has 16 divisors (see below), whose sum is σ = 30723950400. Its totient is φ = 9971095680.

The previous prime is 20212230413. The next prime is 20212230431. The reversal of 20212230422 is 22403221202.

It is an interprime number because it is at equal distance from previous prime (20212230413) and next prime (20212230431).

It is a junction number, because it is equal to n+sod(n) for n = 20212230394 and 20212230403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181022 + ... + 270542.

It is an arithmetic number, because the mean of its divisors is an integer number (1920246900).

Almost surely, 2^20212230422 is an apocalyptic number.

20212230422 is a deficient number, since it is larger than the sum of its proper divisors (10511719978).

20212230422 is a wasteful number, since it uses less digits than its factorization.

20212230422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91031.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20212230422 its reverse (22403221202), we get a palindrome (42615451624).

The spelling of 20212230422 in words is "twenty billion, two hundred twelve million, two hundred thirty thousand, four hundred twenty-two".