30204018 has 36 divisors (see below), whose sum is σ = 70870410. Its totient is φ = 9292608.

The previous prime is 30203989. The next prime is 30204059. The reversal of 30204018 is 81040203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10517049 + 19686969 = 3243^2 + 4437^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1923 + ... + 8006.

Almost surely, 2^30204018 is an apocalyptic number.

30204018 is an abundant number, since it is smaller than the sum of its proper divisors (40666392).

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

30204018 is a wasteful number, since it uses less digits than its factorization.

30204018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 30204018 is about 5495.8182284351. The cubic root of 30204018 is about 311.4260280713.

The spelling of 30204018 in words is "thirty million, two hundred four thousand, eighteen".