20123242422 has 8 divisors (see below), whose sum is σ = 40246484856. Its totient is φ = 6707747472.

The previous prime is 20123242421. The next prime is 20123242439. The reversal of 20123242422 is 22424232102.

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

20123242422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20123242392 and 20123242401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123242421) 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, 1676936863 + ... + 1676936874.

It is an arithmetic number, because the mean of its divisors is an integer number (5030810607).

Almost surely, 2^20123242422 is an apocalyptic number.

20123242422 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.

20123242422 is a wasteful number, since it uses less digits than its factorization.

20123242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353873742.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20123242422 its reverse (22424232102), we get a palindrome (42547474524).

The spelling of 20123242422 in words is "twenty billion, one hundred twenty-three million, two hundred forty-two thousand, four hundred twenty-two".