20363074171 has 4 divisors (see below), whose sum is σ = 22214262744. Its totient is φ = 18511885600.

The previous prime is 20363074153. The next prime is 20363074183. The reversal of 20363074171 is 17147036302.

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

It is a cyclic number.

It is not a de Polignac number, because 20363074171 - 2¹³ = 20363065979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20363077171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925594270 + ... + 925594291.

It is an arithmetic number, because the mean of its divisors is an integer number (5553565686).

Almost surely, 2^20363074171 is an apocalyptic number.

20363074171 is a deficient number, since it is larger than the sum of its proper divisors (1851188573).

20363074171 is a wasteful number, since it uses less digits than its factorization.

20363074171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851188572.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 20363074171 in words is "twenty billion, three hundred sixty-three million, seventy-four thousand, one hundred seventy-one".