20113204033 has 32 divisors (see below), whose sum is σ = 24102562176. Its totient is φ = 16605969408.

The previous prime is 20113204031. The next prime is 20113204049. The reversal of 20113204033 is 33040231102.

It is not a de Polignac number, because 20113204033 - 2¹ = 20113204031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113204033.

It is not an unprimeable number, because it can be changed into a prime (20113204031) 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 31 ways as a sum of consecutive naturals, for example, 323010 + ... + 380212.

It is an arithmetic number, because the mean of its divisors is an integer number (753205068).

Almost surely, 2^20113204033 is an apocalyptic number.

It is an amenable number.

20113204033 is a deficient number, since it is larger than the sum of its proper divisors (3989358143).

20113204033 is a wasteful number, since it uses less digits than its factorization.

20113204033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57313.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20113204033 its reverse (33040231102), we get a palindrome (53153435135).

The spelling of 20113204033 in words is "twenty billion, one hundred thirteen million, two hundred four thousand, thirty-three".