20344005622142 has 32 divisors (see below), whose sum is σ = 30711085777920. Its totient is φ = 10107234496800.

The previous prime is 20344005622141. The next prime is 20344005622159. The reversal of 20344005622142 is 24122650044302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344005622141) 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 15 ways as a sum of consecutive naturals, for example, 277314767 + ... + 277388117.

It is an arithmetic number, because the mean of its divisors is an integer number (959721430560).

Almost surely, 2^{20344005622142} is an apocalyptic number.

20344005622142 is a deficient number, since it is larger than the sum of its proper divisors (10367080155778).

20344005622142 is a wasteful number, since it uses less digits than its factorization.

20344005622142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75096.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 20344005622142 its reverse (24122650044302), we get a palindrome (44466655666444).

The spelling of 20344005622142 in words is "twenty trillion, three hundred forty-four billion, five million, six hundred twenty-two thousand, one hundred forty-two".