20003555440118 has 8 divisors (see below), whose sum is σ = 30074951103840. Its totient is φ = 9978571738840.

The previous prime is 20003555440117. The next prime is 20003555440189. The reversal of 20003555440118 is 81104455530002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003555440111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11602989533 + ... + 11602991256.

It is an arithmetic number, because the mean of its divisors is an integer number (3759368887980).

Almost surely, 2^{20003555440118} is an apocalyptic number.

20003555440118 is a deficient number, since it is larger than the sum of its proper divisors (10071395663722).

20003555440118 is a wasteful number, since it uses less digits than its factorization.

20003555440118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23205981222.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 20003555440118 in words is "twenty trillion, three billion, five hundred fifty-five million, four hundred forty thousand, one hundred eighteen".