20751168871 has 2 divisors, whose sum is σ = 20751168872. Its totient is φ = 20751168870.

The previous prime is 20751168821. The next prime is 20751168923. The reversal of 20751168871 is 17886115702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20751168871 - 2¹¹ = 20751166823 is a prime.

It is a super-3 number, since 3×20751168871³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20751168821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10375584435 + 10375584436.

It is an arithmetic number, because the mean of its divisors is an integer number (10375584436).

Almost surely, 2^20751168871 is an apocalyptic number.

20751168871 is a deficient number, since it is larger than the sum of its proper divisors (1).

20751168871 is an equidigital number, since it uses as much as digits as its factorization.

20751168871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 20751168871 in words is "twenty billion, seven hundred fifty-one million, one hundred sixty-eight thousand, eight hundred seventy-one".