20003313012 has 48 divisors (see below), whose sum is σ = 49152768000. Its totient is φ = 6314029920.

The previous prime is 20003312983. The next prime is 20003313047. The reversal of 20003313012 is 21031330002.

It is a junction number, because it is equal to n+sod(n) for n = 20003312982 and 20003313000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528687 + ... + 565257.

It is an arithmetic number, because the mean of its divisors is an integer number (1024016000).

Almost surely, 2^20003313012 is an apocalyptic number.

It is an amenable number.

20003313012 is an abundant number, since it is smaller than the sum of its proper divisors (29149454988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003313012 is a wasteful number, since it uses less digits than its factorization.

20003313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38996 (or 38994 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20003313012 its reverse (21031330002), we get a palindrome (41034643014).

The spelling of 20003313012 in words is "twenty billion, three million, three hundred thirteen thousand, twelve".