30201804 has 18 divisors (see below), whose sum is σ = 76343540. Its totient is φ = 10067256.

The previous prime is 30201803. The next prime is 30201817. The reversal of 30201804 is 40810203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (30201803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419434 + ... + 419505.

Almost surely, 2^30201804 is an apocalyptic number.

It is an amenable number.

30201804 is an abundant number, since it is smaller than the sum of its proper divisors (46141736).

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

30201804 is a wasteful number, since it uses less digits than its factorization.

30201804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838949 (or 838944 counting only the distinct ones).

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

The square root of 30201804 is about 5495.6167988680. The cubic root of 30201804 is about 311.4184185531.

The spelling of 30201804 in words is "thirty million, two hundred one thousand, eight hundred four".