306021120204 has 24 divisors (see below), whose sum is σ = 715163259888. Its totient is φ = 101847900160.

The previous prime is 306021120203. The next prime is 306021120221. The reversal of 306021120204 is 402021120603.

It is a super-2 number, since 2×306021120204² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306021120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19884477 + ... + 19899860.

It is an arithmetic number, because the mean of its divisors is an integer number (29798469162).

Almost surely, 2^306021120204 is an apocalyptic number.

It is an amenable number.

306021120204 is an abundant number, since it is smaller than the sum of its proper divisors (409142139684).

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

306021120204 is a wasteful number, since it uses less digits than its factorization.

306021120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39784985 (or 39784983 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 306021120204 its reverse (402021120603), we get a palindrome (708042240807).

The spelling of 306021120204 in words is "three hundred six billion, twenty-one million, one hundred twenty thousand, two hundred four".