30930220 has 24 divisors (see below), whose sum is σ = 65099664. Its totient is φ = 12344256.

The previous prime is 30930209. The next prime is 30930241. The reversal of 30930220 is 2203903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8982 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (2712486).

Almost surely, 2^30930220 is an apocalyptic number.

It is an amenable number.

30930220 is an abundant number, since it is smaller than the sum of its proper divisors (34169444).

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

30930220 is a wasteful number, since it uses less digits than its factorization.

30930220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30930220 is about 5561.4944034855. The cubic root of 30930220 is about 313.9021832792.

The spelling of 30930220 in words is "thirty million, nine hundred thirty thousand, two hundred twenty".