30020080 has 20 divisors (see below), whose sum is σ = 69796872. Its totient is φ = 12008000.

The previous prime is 30020051. The next prime is 30020119. The reversal of 30020080 is 8002003.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 30020080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187546 + ... + 187705.

Almost surely, 2^30020080 is an apocalyptic number.

It is an amenable number.

30020080 is an abundant number, since it is smaller than the sum of its proper divisors (39776792).

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

30020080 is a wasteful number, since it uses less digits than its factorization.

30020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375264 (or 375258 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30020080 is about 5479.0583132506. The cubic root of 30020080 is about 310.7925609435.

Adding to 30020080 its reverse (8002003), we get a palindrome (38022083).

The spelling of 30020080 in words is "thirty million, twenty thousand, eighty".