20042422450422 has 8 divisors (see below), whose sum is σ = 40084844900856. Its totient is φ = 6680807483472.

The previous prime is 20042422450417. The next prime is 20042422450423. The reversal of 20042422450422 is 22405422424002.

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

20042422450422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042422450423) 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, 1670201870863 + ... + 1670201870874.

It is an arithmetic number, because the mean of its divisors is an integer number (5010605612607).

Almost surely, 2^{20042422450422} is an apocalyptic number.

20042422450422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20042422450422 is a wasteful number, since it uses less digits than its factorization.

20042422450422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340403741742.

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 20042422450422 its reverse (22405422424002), we get a palindrome (42447844874424).

The spelling of 20042422450422 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred fifty thousand, four hundred twenty-two".