20144122 has 8 divisors (see below), whose sum is σ = 30509856. Its totient is φ = 9974172.

The previous prime is 20144119. The next prime is 20144129. The reversal of 20144122 is 22144102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20144096 and 20144105.

It is not an unprimeable number, because it can be changed into a prime (20144129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48688 + ... + 49099.

It is an arithmetic number, because the mean of its divisors is an integer number (3813732).

Almost surely, 2^20144122 is an apocalyptic number.

20144122 is a deficient number, since it is larger than the sum of its proper divisors (10365734).

20144122 is a wasteful number, since it uses less digits than its factorization.

20144122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97892.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20144122 is about 4488.2203600091. The cubic root of 20144122 is about 272.0922139041.

Adding to 20144122 its reverse (22144102), we get a palindrome (42288224).

The spelling of 20144122 in words is "twenty million, one hundred forty-four thousand, one hundred twenty-two".