20071154163 has 4 divisors (see below), whose sum is σ = 26761538888. Its totient is φ = 13380769440.

The previous prime is 20071154143. The next prime is 20071154183. The reversal of 20071154163 is 36145117002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20071154143) and next prime (20071154183).

It is not a de Polignac number, because 20071154163 - 2³³ = 11481219571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20071154163.

It is not an unprimeable number, because it can be changed into a prime (20071154123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345192358 + ... + 3345192363.

It is an arithmetic number, because the mean of its divisors is an integer number (6690384722).

Almost surely, 2^20071154163 is an apocalyptic number.

20071154163 is a deficient number, since it is larger than the sum of its proper divisors (6690384725).

20071154163 is an equidigital number, since it uses as much as digits as its factorization.

20071154163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690384724.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 20071154163 in words is "twenty billion, seventy-one million, one hundred fifty-four thousand, one hundred sixty-three".