20113133044 has 24 divisors (see below), whose sum is σ = 35764944768. Its totient is φ = 9895142880.

The previous prime is 20113133011. The next prime is 20113133063. The reversal of 20113133044 is 44033131102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72454 + ... + 213250.

It is an arithmetic number, because the mean of its divisors is an integer number (1490206032).

Almost surely, 2^20113133044 is an apocalyptic number.

It is an amenable number.

20113133044 is a deficient number, since it is larger than the sum of its proper divisors (15651811724).

20113133044 is a wasteful number, since it uses less digits than its factorization.

20113133044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141375 (or 141373 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20113133044 its reverse (44033131102), we get a palindrome (64146264146).

The spelling of 20113133044 in words is "twenty billion, one hundred thirteen million, one hundred thirty-three thousand, forty-four".