20005163414155 has 8 divisors (see below), whose sum is σ = 24195221263872. Its totient is φ = 15878113953408.

The previous prime is 20005163414147. The next prime is 20005163414161. The reversal of 20005163414155 is 55141436150002.

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 20005163414155 - 2³ = 20005163414147 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 15752096542 + ... + 15752097811.

It is an arithmetic number, because the mean of its divisors is an integer number (3024402657984).

Almost surely, 2^{20005163414155} is an apocalyptic number.

20005163414155 is a deficient number, since it is larger than the sum of its proper divisors (4190057849717).

20005163414155 is a wasteful number, since it uses less digits than its factorization.

20005163414155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31504194485.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 20005163414155 its reverse (55141436150002), we get a palindrome (75146599564157).

It can be divided in two parts, 20005 and 163414155, that added together give a triangular number (163434160 = T₁₈₀₇₉).

The spelling of 20005163414155 in words is "twenty trillion, five billion, one hundred sixty-three million, four hundred fourteen thousand, one hundred fifty-five".