304020212 has 6 divisors (see below), whose sum is σ = 532035378. Its totient is φ = 152010104.

The previous prime is 304020179. The next prime is 304020221. The reversal of 304020212 is 212020403.

It can be written as a sum of positive squares in only one way, i.e., 278355856 + 25664356 = 16684^2 + 5066^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38002523 + ... + 38002530.

It is an arithmetic number, because the mean of its divisors is an integer number (88672563).

Almost surely, 2^304020212 is an apocalyptic number.

It is an amenable number.

304020212 is a deficient number, since it is larger than the sum of its proper divisors (228015166).

304020212 is a wasteful number, since it uses less digits than its factorization.

304020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76005057 (or 76005055 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 304020212 is about 17436.1753833804. The cubic root of 304020212 is about 672.4099828381.

Adding to 304020212 its reverse (212020403), we get a palindrome (516040615).

The spelling of 304020212 in words is "three hundred four million, twenty thousand, two hundred twelve".