20110404133 has 32 divisors (see below), whose sum is σ = 22077619200. Its totient is φ = 18244368384.

The previous prime is 20110404121. The next prime is 20110404143. The reversal of 20110404133 is 33140401102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110404133 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 20110404133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110404143) 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, 27661816 + ... + 27662542.

It is an arithmetic number, because the mean of its divisors is an integer number (689925600).

Almost surely, 2^20110404133 is an apocalyptic number.

It is an amenable number.

20110404133 is a deficient number, since it is larger than the sum of its proper divisors (1967215067).

20110404133 is a wasteful number, since it uses less digits than its factorization.

20110404133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20110404133 its reverse (33140401102), we get a palindrome (53250805235).

The spelling of 20110404133 in words is "twenty billion, one hundred ten million, four hundred four thousand, one hundred thirty-three".