30000220 has 24 divisors (see below), whose sum is σ = 63129024. Its totient is φ = 11975616.

The previous prime is 30000199. The next prime is 30000247. The reversal of 30000220 is 2200003.

It is a congruent number.

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, 11037 + ... + 13483.

It is an arithmetic number, because the mean of its divisors is an integer number (2630376).

Almost surely, 2^30000220 is an apocalyptic number.

It is an amenable number.

30000220 is an abundant number, since it is smaller than the sum of its proper divisors (33128804).

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

30000220 is a wasteful number, since it uses less digits than its factorization.

30000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 30000220 is about 5477.2456581753. The cubic root of 30000220 is about 310.7240101393.

Adding to 30000220 its reverse (2200003), we get a palindrome (32200223).

The spelling of 30000220 in words is "thirty million, two hundred twenty", and thus it is an aban number.