30820204 has 12 divisors (see below), whose sum is σ = 56774200. Its totient is φ = 14599008.

The previous prime is 30820187. The next prime is 30820217. The reversal of 30820204 is 40202803.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202689 + ... + 202840.

Almost surely, 2^30820204 is an apocalyptic number.

It is an amenable number.

30820204 is a deficient number, since it is larger than the sum of its proper divisors (25953996).

30820204 is a wasteful number, since it uses less digits than its factorization.

30820204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405552 (or 405550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 30820204 is about 5551.5947258423. The cubic root of 30820204 is about 313.5295672337.

The spelling of 30820204 in words is "thirty million, eight hundred twenty thousand, two hundred four".