20003203112 has 16 divisors (see below), whose sum is σ = 37509674400. Its totient is φ = 10000623280.

The previous prime is 20003203057. The next prime is 20003203139. The reversal of 20003203112 is 21130230002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31412 + ... + 202467.

It is an arithmetic number, because the mean of its divisors is an integer number (2344354650).

Almost surely, 2^20003203112 is an apocalyptic number.

It is an amenable number.

20003203112 is a deficient number, since it is larger than the sum of its proper divisors (17506471288).

20003203112 is a wasteful number, since it uses less digits than its factorization.

20003203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244576 (or 244572 counting only the distinct ones).

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

Adding to 20003203112 its reverse (21130230002), we get a palindrome (41133433114).

The spelling of 20003203112 in words is "twenty billion, three million, two hundred three thousand, one hundred twelve".