30032033420 has 96 divisors (see below), whose sum is σ = 66473447040. Its totient is φ = 11385354240.

The previous prime is 30032033387. The next prime is 30032033429. The reversal of 30032033420 is 2433023003.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30032033392 and 30032033401.

It is not an unprimeable number, because it can be changed into a prime (30032033429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4473026 + ... + 4479734.

It is an arithmetic number, because the mean of its divisors is an integer number (692431740).

Almost surely, 2^30032033420 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 30032033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33236723520).

30032033420 is an abundant number, since it is smaller than the sum of its proper divisors (36441413620).

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

30032033420 is a wasteful number, since it uses less digits than its factorization.

30032033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915 (or 6913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30032033420 its reverse (2433023003), we get a palindrome (32465056423).

The spelling of 30032033420 in words is "thirty billion, thirty-two million, thirty-three thousand, four hundred twenty".