20075966543 has 8 divisors (see below), whose sum is σ = 20253906816. Its totient is φ = 19898400600.

The previous prime is 20075966539. The next prime is 20075966563. The reversal of 20075966543 is 34566957002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20075966543 - 2² = 20075966539 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 (20075966563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14708 + ... + 200918.

It is an arithmetic number, because the mean of its divisors is an integer number (2531738352).

Almost surely, 2^20075966543 is an apocalyptic number.

20075966543 is a deficient number, since it is larger than the sum of its proper divisors (177940273).

20075966543 is a wasteful number, since it uses less digits than its factorization.

20075966543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187165.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 20075966543 in words is "twenty billion, seventy-five million, nine hundred sixty-six thousand, five hundred forty-three".