20764368752743 has 24 divisors (see below), whose sum is σ = 26413219566720. Its totient is φ = 16141411606320.

The previous prime is 20764368752741. The next prime is 20764368752759. The reversal of 20764368752743 is 34725786346702.

It is not a de Polignac number, because 20764368752743 - 2¹ = 20764368752741 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20764368752741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45745371 + ... + 46197052.

It is an arithmetic number, because the mean of its divisors is an integer number (1100550815280).

Almost surely, 2^{20764368752743} is an apocalyptic number.

20764368752743 is a deficient number, since it is larger than the sum of its proper divisors (5648850813977).

20764368752743 is a wasteful number, since it uses less digits than its factorization.

20764368752743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91942867 (or 91942860 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 64.

The spelling of 20764368752743 in words is "twenty trillion, seven hundred sixty-four billion, three hundred sixty-eight million, seven hundred fifty-two thousand, seven hundred forty-three".