422112020 has 48 divisors (see below), whose sum is σ = 968478336. Its totient is φ = 153264000.

The previous prime is 422111957. The next prime is 422112043. The reversal of 422112020 is 20211224.

It is a junction number, because it is equal to n+sod(n) for n = 422111986 and 422112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225890 + ... + 227750.

It is an arithmetic number, because the mean of its divisors is an integer number (20176632).

Almost surely, 2^422112020 is an apocalyptic number.

It is an amenable number.

422112020 is an abundant number, since it is smaller than the sum of its proper divisors (546366316).

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

422112020 is a wasteful number, since it uses less digits than its factorization.

422112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 422112020 is about 20545.3649273991. The cubic root of 422112020 is about 750.1404300005.

Adding to 422112020 its reverse (20211224), we get a palindrome (442323244).

The spelling of 422112020 in words is "four hundred twenty-two million, one hundred twelve thousand, twenty".