20003313312 has 48 divisors (see below), whose sum is σ = 58342999680. Its totient is φ = 6667770816.

The previous prime is 20003313289. The next prime is 20003313353. The reversal of 20003313312 is 21331330002.

20003313312 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 331 + 331 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11575128 + ... + 11576855.

It is an arithmetic number, because the mean of its divisors is an integer number (1215479160).

Almost surely, 2^20003313312 is an apocalyptic number.

It is an amenable number.

20003313312 is an abundant number, since it is smaller than the sum of its proper divisors (38339686368).

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

20003313312 is a wasteful number, since it uses less digits than its factorization.

20003313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152002 (or 23151988 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20003313312 its reverse (21331330002), we get a palindrome (41334643314).

The spelling of 20003313312 in words is "twenty billion, three million, three hundred thirteen thousand, three hundred twelve".