20113133404444 has 12 divisors (see below), whose sum is σ = 35198106406344. Its totient is φ = 10056531574064.

The previous prime is 20113133404417. The next prime is 20113133404451. The reversal of 20113133404444 is 44440433131102.

It is a super-2 number, since 2×20113133404444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 7472059 + ... + 9800914.

It is an arithmetic number, because the mean of its divisors is an integer number (2933175533862).

Almost surely, 2^{20113133404444} is an apocalyptic number.

It is an amenable number.

20113133404444 is a deficient number, since it is larger than the sum of its proper divisors (15084973001900).

20113133404444 is a wasteful number, since it uses less digits than its factorization.

20113133404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564084 (or 17564082 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 20113133404444 its reverse (44440433131102), we get a palindrome (64553566535546).

The spelling of 20113133404444 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-three million, four hundred four thousand, four hundred forty-four".