30020504 has 32 divisors (see below), whose sum is σ = 60458400. Its totient is φ = 13923840.

The previous prime is 30020503. The next prime is 30020509. The reversal of 30020504 is 40502003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8102 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (1889325).

Almost surely, 2^30020504 is an apocalyptic number.

30020504 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30020504 is an abundant number, since it is smaller than the sum of its proper divisors (30437896).

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

30020504 is a wasteful number, since it uses less digits than its factorization.

30020504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30020504 is about 5479.0970058943. The cubic root of 30020504 is about 310.7940241355.

Adding to 30020504 its reverse (40502003), we get a palindrome (70522507).

The spelling of 30020504 in words is "thirty million, twenty thousand, five hundred four".