20344130242 has 8 divisors (see below), whose sum is σ = 31091972796. Its totient is φ = 9980139312.

The previous prime is 20344130227. The next prime is 20344130251. The reversal of 20344130242 is 24203144302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19743341121 + 600789121 = 140511^2 + 24511^2 .

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

It is an unprimeable number.

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, 95962773 + ... + 95962984.

Almost surely, 2^20344130242 is an apocalyptic number.

20344130242 is a deficient number, since it is larger than the sum of its proper divisors (10747842554).

20344130242 is a wasteful number, since it uses less digits than its factorization.

20344130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191925812.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20344130242 its reverse (24203144302), we get a palindrome (44547274544).

The spelling of 20344130242 in words is "twenty billion, three hundred forty-four million, one hundred thirty thousand, two hundred forty-two".