30230420 has 96 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 10096640.

The previous prime is 30230413. The next prime is 30230423. The reversal of 30230420 is 2403203.

It is a junction number, because it is equal to n+sod(n) for n = 30230395 and 30230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220592 + ... + 220728.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^30230420 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 30230420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558080).

30230420 is an abundant number, since it is smaller than the sum of its proper divisors (44885740).

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

30230420 is a wasteful number, since it uses less digits than its factorization.

30230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

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

The square root of 30230420 is about 5498.2197118704. The cubic root of 30230420 is about 311.5167431035.

Adding to 30230420 its reverse (2403203), we get a palindrome (32633623).

The spelling of 30230420 in words is "thirty million, two hundred thirty thousand, four hundred twenty".