20344143122 has 16 divisors (see below), whose sum is σ = 31533271872. Its totient is φ = 9836426160.

The previous prime is 20344143067. The next prime is 20344143139. The reversal of 20344143122 is 22134144302.

It is a junction number, because it is equal to n+sod(n) for n = 20344143091 and 20344143100.

It is an unprimeable number.

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, 831254 + ... + 855377.

It is an arithmetic number, because the mean of its divisors is an integer number (1970829492).

Almost surely, 2^20344143122 is an apocalyptic number.

20344143122 is a deficient number, since it is larger than the sum of its proper divisors (11189128750).

20344143122 is a wasteful number, since it uses less digits than its factorization.

20344143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686833.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20344143122 its reverse (22134144302), we get a palindrome (42478287424).

The spelling of 20344143122 in words is "twenty billion, three hundred forty-four million, one hundred forty-three thousand, one hundred twenty-two".