30030220 has 24 divisors (see below), whose sum is σ = 68797008. Its totient is φ = 10920000.

The previous prime is 30030181. The next prime is 30030269. The reversal of 30030220 is 2203003.

It is a super-2 number, since 2×30030220² = 1803628226496800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30030197 and 30030206.

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, 68031 + ... + 68470.

It is an arithmetic number, because the mean of its divisors is an integer number (2866542).

Almost surely, 2^30030220 is an apocalyptic number.

It is an amenable number.

30030220 is an abundant number, since it is smaller than the sum of its proper divisors (38766788).

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

30030220 is a wasteful number, since it uses less digits than its factorization.

30030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136521 (or 136519 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30030220 is about 5479.9835766177. The cubic root of 30030220 is about 310.8275495445.

Adding to 30030220 its reverse (2203003), we get a palindrome (32233223).

The spelling of 30030220 in words is "thirty million, thirty thousand, two hundred twenty".