20403003112 has 32 divisors (see below), whose sum is σ = 38422528200. Its totient is φ = 10157056000.

The previous prime is 20403003091. The next prime is 20403003151. The reversal of 20403003112 is 21130030402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20298840676 + 104162436 = 142474^2 + 10206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596214 + ... + 3601882.

Almost surely, 2^20403003112 is an apocalyptic number.

It is an amenable number.

20403003112 is a deficient number, since it is larger than the sum of its proper divisors (18019525088).

20403003112 is a wasteful number, since it uses less digits than its factorization.

20403003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20403003112 its reverse (21130030402), we get a palindrome (41533033514).

The spelling of 20403003112 in words is "twenty billion, four hundred three million, three thousand, one hundred twelve".