20323202212 has 12 divisors (see below), whose sum is σ = 35567205660. Its totient is φ = 10161143456.

The previous prime is 20323202173. The next prime is 20323202227. The reversal of 20323202212 is 21220232302.

It can be written as a sum of positive squares in 2 ways, for example, as 11870974116 + 8452228096 = 108954^2 + 91936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20323202212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287 + ... + 201622.

It is an arithmetic number, because the mean of its divisors is an integer number (2963933805).

Almost surely, 2^20323202212 is an apocalyptic number.

It is an amenable number.

20323202212 is a deficient number, since it is larger than the sum of its proper divisors (15244003448).

20323202212 is a wasteful number, since it uses less digits than its factorization.

20323202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228830 (or 228828 counting only the distinct ones).

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

Adding to 20323202212 its reverse (21220232302), we get a palindrome (41543434514).

The spelling of 20323202212 in words is "twenty billion, three hundred twenty-three million, two hundred two thousand, two hundred twelve".