422009005320 has 960 divisors, whose sum is σ = 1793264140800. Its totient is φ = 88414986240.

The previous prime is 422009005307. The next prime is 422009005333. The reversal of 422009005320 is 23500900224.

422009005320 is a `hidden beast` number, since 42 + 2 + 0 + 0 + 90 + 0 + 532 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (422009005307) and next prime (422009005333).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 93507384 + ... + 93511896.

It is an arithmetic number, because the mean of its divisors is an integer number (1867983480).

Almost surely, 2^422009005320 is an apocalyptic number.

422009005320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422009005320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896632070400).

422009005320 is an abundant number, since it is smaller than the sum of its proper divisors (1371255135480).

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

422009005320 is a wasteful number, since it uses less digits than its factorization.

422009005320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4580 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 422009005320 its reverse (23500900224), we get a palindrome (445509905544).

The spelling of 422009005320 in words is "four hundred twenty-two billion, nine million, five thousand, three hundred twenty".