20304120033 has 12 divisors (see below), whose sum is σ = 29391523200. Its totient is φ = 13506841656.

The previous prime is 20304120029. The next prime is 20304120041. The reversal of 20304120033 is 33002140302.

It is not a de Polignac number, because 20304120033 - 2² = 20304120029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20304119988 and 20304120015.

It is not an unprimeable number, because it can be changed into a prime (20304120433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2432133 + ... + 2440466.

It is an arithmetic number, because the mean of its divisors is an integer number (2449293600).

Almost surely, 2^20304120033 is an apocalyptic number.

It is an amenable number.

20304120033 is a deficient number, since it is larger than the sum of its proper divisors (9087403167).

20304120033 is a wasteful number, since it uses less digits than its factorization.

20304120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4873068 (or 4873065 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20304120033 its reverse (33002140302), we get a palindrome (53306260335).

The spelling of 20304120033 in words is "twenty billion, three hundred four million, one hundred twenty thousand, thirty-three".