30420404322 has 96 divisors (see below), whose sum is σ = 77973274944. Its totient is φ = 7823088000.

The previous prime is 30420404257. The next prime is 30420404363. The reversal of 30420404322 is 22340402403.

It is a super-2 number, since 2×30420404322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30420404292 and 30420404301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280068 + ... + 373200.

It is an arithmetic number, because the mean of its divisors is an integer number (812221614).

Almost surely, 2^30420404322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30420404322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38986637472).

30420404322 is an abundant number, since it is smaller than the sum of its proper divisors (47552870622).

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

30420404322 is a wasteful number, since it uses less digits than its factorization.

30420404322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93264 (or 93257 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 30420404322 its reverse (22340402403), we get a palindrome (52760806725).

The spelling of 30420404322 in words is "thirty billion, four hundred twenty million, four hundred four thousand, three hundred twenty-two".