20122144321431 has 8 divisors (see below), whose sum is σ = 26829546565360. Its totient is φ = 13414752479232.

The previous prime is 20122144321387. The next prime is 20122144321459. The reversal of 20122144321431 is 13412344122102.

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 20122144321431 - 2⁹ = 20122144320919 is a prime.

It is a super-2 number, since 2×20122144321431² (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 (20122144321031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5681301 + ... + 8515953.

It is an arithmetic number, because the mean of its divisors is an integer number (3353693320670).

Almost surely, 2^{20122144321431} is an apocalyptic number.

20122144321431 is a deficient number, since it is larger than the sum of its proper divisors (6707402243929).

20122144321431 is a wasteful number, since it uses less digits than its factorization.

20122144321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200865.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 20122144321431 its reverse (13412344122102), we get a palindrome (33534488443533).

The spelling of 20122144321431 in words is "twenty trillion, one hundred twenty-two billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred thirty-one".