20023220012 has 12 divisors (see below), whose sum is σ = 35701779456. Its totient is φ = 9822711600.

The previous prime is 20023220011. The next prime is 20023220071. The reversal of 20023220012 is 21002232002.

It is not an unprimeable number, because it can be changed into a prime (20023220011) 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, 47224364 + ... + 47224787.

It is an arithmetic number, because the mean of its divisors is an integer number (2975148288).

Almost surely, 2^20023220012 is an apocalyptic number.

It is an amenable number.

20023220012 is a deficient number, since it is larger than the sum of its proper divisors (15678559444).

20023220012 is a wasteful number, since it uses less digits than its factorization.

20023220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94449208 (or 94449206 counting only the distinct ones).

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

Adding to 20023220012 its reverse (21002232002), we get a palindrome (41025452014).

The spelling of 20023220012 in words is "twenty billion, twenty-three million, two hundred twenty thousand, twelve".