422031041342020 has 384 divisors, whose sum is σ = 1059979331174400. Its totient is φ = 139349995315200.

The previous prime is 422031041341999. The next prime is 422031041342039. The reversal of 422031041342020 is 20243140130224.

It is a super-2 number, since 2×422031041342020² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422031041342020.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 61314981499 + ... + 61314988381.

It is an arithmetic number, because the mean of its divisors is an integer number (2760362841600).

Almost surely, 2^{422031041342020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422031041342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529989665587200).

422031041342020 is an abundant number, since it is smaller than the sum of its proper divisors (637948289832380).

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

422031041342020 is a wasteful number, since it uses less digits than its factorization.

422031041342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499 (or 8497 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 422031041342020 its reverse (20243140130224), we get a palindrome (442274181472244).

The spelling of 422031041342020 in words is "four hundred twenty-two trillion, thirty-one billion, forty-one million, three hundred forty-two thousand, twenty".