20302304212 has 12 divisors (see below), whose sum is σ = 35532151200. Its totient is φ = 10150261016.

The previous prime is 20302304207. The next prime is 20302304219. The reversal of 20302304212 is 21240320302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302304212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302304219) 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 3 ways as a sum of consecutive naturals, for example, 170128 + ... + 263719.

It is an arithmetic number, because the mean of its divisors is an integer number (2961012600).

Almost surely, 2^20302304212 is an apocalyptic number.

It is an amenable number.

20302304212 is a deficient number, since it is larger than the sum of its proper divisors (15229846988).

20302304212 is a wasteful number, since it uses less digits than its factorization.

20302304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445550 (or 445548 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20302304212 its reverse (21240320302), we get a palindrome (41542624514).

The spelling of 20302304212 in words is "twenty billion, three hundred two million, three hundred four thousand, two hundred twelve".