20144410442 has 16 divisors (see below), whose sum is σ = 32544416520. Its totient is φ = 9296435712.

The previous prime is 20144410441. The next prime is 20144410471. The reversal of 20144410442 is 24401444102.

It can be written as a sum of positive squares in 4 ways, for example, as 2975811601 + 17168598841 = 54551^2 + 131029^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (20144410441) 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 7 ways as a sum of consecutive naturals, for example, 247538 + ... + 318690.

Almost surely, 2^20144410442 is an apocalyptic number.

20144410442 is a deficient number, since it is larger than the sum of its proper divisors (12400006078).

20144410442 is a wasteful number, since it uses less digits than its factorization.

20144410442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82057.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20144410442 its reverse (24401444102), we get a palindrome (44545854544).

The spelling of 20144410442 in words is "twenty billion, one hundred forty-four million, four hundred ten thousand, four hundred forty-two".