20323233212 has 12 divisors (see below), whose sum is σ = 35585550840. Its totient is φ = 10155932976.

The previous prime is 20323233211. The next prime is 20323233223. The reversal of 20323233212 is 21233232302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323233211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412858 + ... + 1427169.

It is an arithmetic number, because the mean of its divisors is an integer number (2965462570).

Almost surely, 2^20323233212 is an apocalyptic number.

It is an amenable number.

20323233212 is a deficient number, since it is larger than the sum of its proper divisors (15262317628).

20323233212 is a wasteful number, since it uses less digits than its factorization.

20323233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841820 (or 2841818 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20323233212 its reverse (21233232302), we get a palindrome (41556465514).

The spelling of 20323233212 in words is "twenty billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred twelve".