422031323020 has 24 divisors (see below), whose sum is σ = 886516213968. Its totient is φ = 168764827200.

The previous prime is 422031323017. The next prime is 422031323027. The reversal of 422031323020 is 20323130224.

It is a super-2 number, since 2×422031323020² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422031322982 and 422031323000.

It is not an unprimeable number, because it can be changed into a prime (422031323027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908786 + ... + 3050425.

It is an arithmetic number, because the mean of its divisors is an integer number (36938175582).

Almost surely, 2^422031323020 is an apocalyptic number.

It is an amenable number.

422031323020 is an abundant number, since it is smaller than the sum of its proper divisors (464484890948).

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

422031323020 is a wasteful number, since it uses less digits than its factorization.

422031323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962761 (or 5962759 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 422031323020 its reverse (20323130224), we get a palindrome (442354453244).

The spelling of 422031323020 in words is "four hundred twenty-two billion, thirty-one million, three hundred twenty-three thousand, twenty".