30204320 has 48 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 12023040.

The previous prime is 30204271. The next prime is 30204347. The reversal of 30204320 is 2340203.

It is a super-4 number, since 4×30204320⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30204295 and 30204304.

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 7 ways as a sum of consecutive naturals, for example, 49457 + ... + 50063.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^30204320 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 30204320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35852544).

30204320 is an abundant number, since it is smaller than the sum of its proper divisors (41500768).

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

30204320 is a wasteful number, since it uses less digits than its factorization.

30204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30204320 is about 5495.8457038021. The cubic root of 30204320 is about 311.4270660165.

Adding to 30204320 its reverse (2340203), we get a palindrome (32544523).

The spelling of 30204320 in words is "thirty million, two hundred four thousand, three hundred twenty".