20033404113 has 4 divisors (see below), whose sum is σ = 26711205488. Its totient is φ = 13355602740.

The previous prime is 20033404043. The next prime is 20033404123. The reversal of 20033404113 is 31140433002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20033404113 - 2¹⁷ = 20033273041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20033404113.

It is not an unprimeable number, because it can be changed into a prime (20033404123) 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 3 ways as a sum of consecutive naturals, for example, 3338900683 + ... + 3338900688.

It is an arithmetic number, because the mean of its divisors is an integer number (6677801372).

Almost surely, 2^20033404113 is an apocalyptic number.

It is an amenable number.

20033404113 is a deficient number, since it is larger than the sum of its proper divisors (6677801375).

20033404113 is an equidigital number, since it uses as much as digits as its factorization.

20033404113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677801374.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20033404113 its reverse (31140433002), we get a palindrome (51173837115).

The spelling of 20033404113 in words is "twenty billion, thirty-three million, four hundred four thousand, one hundred thirteen".