20023013012 has 12 divisors (see below), whose sum is σ = 35120094240. Its totient is φ = 9988700376.

The previous prime is 20023012951. The next prime is 20023013063. The reversal of 20023013012 is 21031032002.

It is a happy number.

It is a congruent number.

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, 5699558 + ... + 5703069.

It is an arithmetic number, because the mean of its divisors is an integer number (2926674520).

Almost surely, 2^20023013012 is an apocalyptic number.

It is an amenable number.

20023013012 is a deficient number, since it is larger than the sum of its proper divisors (15097081228).

20023013012 is a wasteful number, since it uses less digits than its factorization.

20023013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403070 (or 11403068 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20023013012 its reverse (21031032002), we get a palindrome (41054045014).

The spelling of 20023013012 in words is "twenty billion, twenty-three million, thirteen thousand, twelve".