306010220 has 12 divisors (see below), whose sum is σ = 642621504. Its totient is φ = 122404080.

The previous prime is 306010171. The next prime is 306010241. The reversal of 306010220 is 22010603.

It is a junction number, because it is equal to n+sod(n) for n = 306010195 and 306010204.

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, 7650236 + ... + 7650275.

It is an arithmetic number, because the mean of its divisors is an integer number (53551792).

Almost surely, 2^306010220 is an apocalyptic number.

It is an amenable number.

306010220 is an abundant number, since it is smaller than the sum of its proper divisors (336611284).

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

306010220 is a wasteful number, since it uses less digits than its factorization.

306010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15300520 (or 15300518 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 306010220 is about 17493.1478013535. The cubic root of 306010220 is about 673.8739120828.

Adding to 306010220 its reverse (22010603), we get a palindrome (328020823).

The spelling of 306010220 in words is "three hundred six million, ten thousand, two hundred twenty".