30360420 has 72 divisors (see below), whose sum is σ = 95519424. Its totient is φ = 8094816.

The previous prime is 30360353. The next prime is 30360431. The reversal of 30360420 is 2406303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30360393 and 30360402.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1737 + ... + 7983.

Almost surely, 2^30360420 is an apocalyptic number.

30360420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30360420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47759712).

30360420 is an abundant number, since it is smaller than the sum of its proper divisors (65159004).

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

30360420 is a wasteful number, since it uses less digits than its factorization.

30360420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30360420 is about 5510.0290380360. The cubic root of 30360420 is about 311.9626434564.

Adding to 30360420 its reverse (2406303), we get a palindrome (32766723).

The spelling of 30360420 in words is "thirty million, three hundred sixty thousand, four hundred twenty".