20244130042 has 8 divisors (see below), whose sum is σ = 30469834836. Its totient is φ = 10087518432.

The previous prime is 20244130033. The next prime is 20244130061. The reversal of 20244130042 is 24003144202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19491231321 + 752898721 = 139611^2 + 27439^2 .

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 = 20244129995 and 20244130022.

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 3 ways as a sum of consecutive naturals, for example, 17272563 + ... + 17273734.

Almost surely, 2^20244130042 is an apocalyptic number.

20244130042 is a deficient number, since it is larger than the sum of its proper divisors (10225704794).

20244130042 is a wasteful number, since it uses less digits than its factorization.

20244130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34546592.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20244130042 its reverse (24003144202), we get a palindrome (44247274244).

The spelling of 20244130042 in words is "twenty billion, two hundred forty-four million, one hundred thirty thousand, forty-two".