20142242340422 has 8 divisors (see below), whose sum is σ = 30222861591072. Its totient is φ = 10067955143400.

The previous prime is 20142242340421. The next prime is 20142242340433. The reversal of 20142242340422 is 22404324224102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142242340421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583005454 + ... + 1583018177.

It is an arithmetic number, because the mean of its divisors is an integer number (3777857698884).

Almost surely, 2^{20142242340422} is an apocalyptic number.

20142242340422 is a deficient number, since it is larger than the sum of its proper divisors (10080619250650).

20142242340422 is a wasteful number, since it uses less digits than its factorization.

20142242340422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166026814.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20142242340422 its reverse (22404324224102), we get a palindrome (42546566564524).

The spelling of 20142242340422 in words is "twenty trillion, one hundred forty-two billion, two hundred forty-two million, three hundred forty thousand, four hundred twenty-two".