20440042024242 has 16 divisors (see below), whose sum is σ = 40985174243520. Its totient is φ = 6795832308912.

The previous prime is 20440042024211. The next prime is 20440042024243. The reversal of 20440042024242 is 24242024004402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20440042024243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378755598 + ... + 4378760265.

It is an arithmetic number, because the mean of its divisors is an integer number (2561573390220).

Almost surely, 2^{20440042024242} is an apocalyptic number.

20440042024242 is an abundant number, since it is smaller than the sum of its proper divisors (20545132219278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20440042024242 is a wasteful number, since it uses less digits than its factorization.

20440042024242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757516257.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20440042024242 its reverse (24242024004402), we get a palindrome (44682066028644).

The spelling of 20440042024242 in words is "twenty trillion, four hundred forty billion, forty-two million, twenty-four thousand, two hundred forty-two".