422104020 has 192 divisors, whose sum is σ = 1330027776. Its totient is φ = 99348480.

The previous prime is 422104009. The next prime is 422104043. The reversal of 422104020 is 20401224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2142562 + ... + 2142758.

It is an arithmetic number, because the mean of its divisors is an integer number (6927228).

Almost surely, 2^422104020 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 422104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665013888).

422104020 is an abundant number, since it is smaller than the sum of its proper divisors (907923756).

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

422104020 is a wasteful number, since it uses less digits than its factorization.

422104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 422104020 is about 20545.1702353619. The cubic root of 422104020 is about 750.1356910047.

Adding to 422104020 its reverse (20401224), we get a palindrome (442505244).

The spelling of 422104020 in words is "four hundred twenty-two million, one hundred four thousand, twenty".