30204042 has 32 divisors (see below), whose sum is σ = 66813120. Its totient is φ = 9025920.

The previous prime is 30203989. The next prime is 30204059. The reversal of 30204042 is 24040203.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 7952.

It is an arithmetic number, because the mean of its divisors is an integer number (2087910).

Almost surely, 2^30204042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30204042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33406560).

30204042 is an abundant number, since it is smaller than the sum of its proper divisors (36609078).

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

30204042 is a wasteful number, since it uses less digits than its factorization.

30204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 30204042 is about 5495.8204119130. The cubic root of 30204042 is about 311.4261105573.

Adding to 30204042 its reverse (24040203), we get a palindrome (54244245).

The spelling of 30204042 in words is "thirty million, two hundred four thousand, forty-two".