30320424420 has 288 divisors, whose sum is σ = 101419952256. Its totient is φ = 6722580480.

The previous prime is 30320424413. The next prime is 30320424451. The reversal of 30320424420 is 2442402303.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10663519 + ... + 10666361.

It is an arithmetic number, because the mean of its divisors is an integer number (352152612).

Almost surely, 2^30320424420 is an apocalyptic number.

30320424420 is a gapful number since it is divisible by the number (30) 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 30320424420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50709976128).

30320424420 is an abundant number, since it is smaller than the sum of its proper divisors (71099527836).

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

30320424420 is a wasteful number, since it uses less digits than its factorization.

30320424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2990 counting only the distinct ones).

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

Adding to 30320424420 its reverse (2442402303), we get a palindrome (32762826723).

The spelling of 30320424420 in words is "thirty billion, three hundred twenty million, four hundred twenty-four thousand, four hundred twenty".