20302323212 has 24 divisors (see below), whose sum is σ = 36681093120. Its totient is φ = 9822116880.

The previous prime is 20302323203. The next prime is 20302323229. The reversal of 20302323212 is 21232320302.

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 in 7 ways as a sum of consecutive naturals, for example, 1214213 + ... + 1230819.

It is an arithmetic number, because the mean of its divisors is an integer number (1528378880).

Almost surely, 2^20302323212 is an apocalyptic number.

It is an amenable number.

20302323212 is a deficient number, since it is larger than the sum of its proper divisors (16378769908).

20302323212 is a wasteful number, since it uses less digits than its factorization.

20302323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26501 (or 26499 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20302323212 its reverse (21232320302), we get a palindrome (41534643514).

The spelling of 20302323212 in words is "twenty billion, three hundred two million, three hundred twenty-three thousand, two hundred twelve".