20003555412441 has 16 divisors (see below), whose sum is σ = 29643874590720. Its totient is φ = 13331663650800.

The previous prime is 20003555412437. The next prime is 20003555412481. The reversal of 20003555412441 is 14421455530002.

20003555412441 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 3 + 55 + 541 + 24 + 41 = 666.

It is not a de Polignac number, because 20003555412441 - 2² = 20003555412437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003555412396 and 20003555412405.

It is not an unprimeable number, because it can be changed into a prime (20003555412481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112130265 + ... + 112308518.

It is an arithmetic number, because the mean of its divisors is an integer number (1852742161920).

Almost surely, 2^{20003555412441} is an apocalyptic number.

It is an amenable number.

20003555412441 is a deficient number, since it is larger than the sum of its proper divisors (9640319178279).

20003555412441 is a wasteful number, since it uses less digits than its factorization.

20003555412441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224442093 (or 224442087 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 20003555412441 in words is "twenty trillion, three billion, five hundred fifty-five million, four hundred twelve thousand, four hundred forty-one".