423042212020 has 24 divisors (see below), whose sum is σ = 935145943200. Its totient is φ = 160310732832.

The previous prime is 423042211979. The next prime is 423042212041. The reversal of 423042212020 is 20212240324.

It is a junction number, because it is equal to n+sod(n) for n = 423042211982 and 423042212000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556634110 + ... + 556634869.

It is an arithmetic number, because the mean of its divisors is an integer number (38964414300).

Almost surely, 2^423042212020 is an apocalyptic number.

It is an amenable number.

423042212020 is an abundant number, since it is smaller than the sum of its proper divisors (512103731180).

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

423042212020 is a wasteful number, since it uses less digits than its factorization.

423042212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113269007 (or 1113269005 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 423042212020 its reverse (20212240324), we get a palindrome (443254452344).

The spelling of 423042212020 in words is "four hundred twenty-three billion, forty-two million, two hundred twelve thousand, twenty".