20005301027671 has 4 divisors (see below), whose sum is σ = 20005312200352. Its totient is φ = 20005289854992.

The previous prime is 20005301027651. The next prime is 20005301027689. The reversal of 20005301027671 is 17672010350002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20005301027671 - 2⁵ = 20005301027639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005301027651) 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, 2227215 + ... + 6706048.

It is an arithmetic number, because the mean of its divisors is an integer number (5001328050088).

Almost surely, 2^{20005301027671} is an apocalyptic number.

20005301027671 is a deficient number, since it is larger than the sum of its proper divisors (11172681).

20005301027671 is an equidigital number, since it uses as much as digits as its factorization.

20005301027671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172680.

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 20005301027671 its reverse (17672010350002), we get a palindrome (37677311377673).

The spelling of 20005301027671 in words is "twenty trillion, five billion, three hundred one million, twenty-seven thousand, six hundred seventy-one".