20013055541455 has 32 divisors (see below), whose sum is σ = 24393316147200. Its totient is φ = 15761165030400.

The previous prime is 20013055541431. The next prime is 20013055541527. The reversal of 20013055541455 is 55414555031002.

It is not a de Polignac number, because 20013055541455 - 2³³ = 20004465606863 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 41041311 + ... + 41526079.

It is an arithmetic number, because the mean of its divisors is an integer number (762291129600).

Almost surely, 2^{20013055541455} is an apocalyptic number.

20013055541455 is a deficient number, since it is larger than the sum of its proper divisors (4380260605745).

20013055541455 is a wasteful number, since it uses less digits than its factorization.

20013055541455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485415.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 20013055541455 in words is "twenty trillion, thirteen billion, fifty-five million, five hundred forty-one thousand, four hundred fifty-five".