20202444242242 has 8 divisors (see below), whose sum is σ = 30303723027600. Its totient is φ = 10101203233044.

The previous prime is 20202444242221. The next prime is 20202444242293. The reversal of 20202444242242 is 24224244420202.

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 = 20202444242198 and 20202444242207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8066892 + ... + 10270327.

It is an arithmetic number, because the mean of its divisors is an integer number (3787965378450).

Almost surely, 2^{20202444242242} is an apocalyptic number.

20202444242242 is a deficient number, since it is larger than the sum of its proper divisors (10101278785358).

20202444242242 is a wasteful number, since it uses less digits than its factorization.

20202444242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888080.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 20202444242242 its reverse (24224244420202), we get a palindrome (44426688662444).

It can be divided in two parts, 20202 and 444242242, that added together give a palindrome (444262444).

The spelling of 20202444242242 in words is "twenty trillion, two hundred two billion, four hundred forty-four million, two hundred forty-two thousand, two hundred forty-two".