20303112033 has 12 divisors (see below), whose sum is σ = 29338466560. Its totient is φ = 13529985336.

The previous prime is 20303112031. The next prime is 20303112043. The reversal of 20303112033 is 33021130302.

It is not a de Polignac number, because 20303112033 - 2¹ = 20303112031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20303111997 and 20303112015.

It is not an unprimeable number, because it can be changed into a prime (20303112031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428113 + ... + 473166.

Almost surely, 2^20303112033 is an apocalyptic number.

It is an amenable number.

20303112033 is a deficient number, since it is larger than the sum of its proper divisors (9035354527).

20303112033 is a wasteful number, since it uses less digits than its factorization.

20303112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903788 (or 903785 counting only the distinct ones).

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

Adding to 20303112033 its reverse (33021130302), we get a palindrome (53324242335).

The spelling of 20303112033 in words is "twenty billion, three hundred three million, one hundred twelve thousand, thirty-three".