20596976667789 has 4 divisors (see below), whose sum is σ = 27462635557056. Its totient is φ = 13731317778524.

The previous prime is 20596976667763. The next prime is 20596976667791. The reversal of 20596976667789 is 98776667969502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20596976667789 - 2¹² = 20596976663693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20596976627789) 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, 3432829444629 + ... + 3432829444634.

It is an arithmetic number, because the mean of its divisors is an integer number (6865658889264).

Almost surely, 2^{20596976667789} is an apocalyptic number.

It is an amenable number.

20596976667789 is a deficient number, since it is larger than the sum of its proper divisors (6865658889267).

20596976667789 is an equidigital number, since it uses as much as digits as its factorization.

20596976667789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865658889266.

The product of its (nonzero) digits is 25924872960, while the sum is 87.

The spelling of 20596976667789 in words is "twenty trillion, five hundred ninety-six billion, nine hundred seventy-six million, six hundred sixty-seven thousand, seven hundred eighty-nine".