20054103005505 has 8 divisors (see below), whose sum is σ = 32086564808832. Its totient is φ = 10695521602928.

The previous prime is 20054103005501. The next prime is 20054103005527. The reversal of 20054103005505 is 50550030145002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20054103005505 - 2² = 20054103005501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20054103005501) 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 7 ways as a sum of consecutive naturals, for example, 668470100169 + ... + 668470100198.

It is an arithmetic number, because the mean of its divisors is an integer number (4010820601104).

Almost surely, 2^{20054103005505} is an apocalyptic number.

It is an amenable number.

20054103005505 is a deficient number, since it is larger than the sum of its proper divisors (12032461803327).

20054103005505 is a wasteful number, since it uses less digits than its factorization.

20054103005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336940200375.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 20054103005505 in words is "twenty trillion, fifty-four billion, one hundred three million, five thousand, five hundred five".