20073716786 has 8 divisors (see below), whose sum is σ = 30112435584. Its totient is φ = 10036238260.

The previous prime is 20073716783. The next prime is 20073716791. The reversal of 20073716786 is 68761737002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20073716786.

It is not an unprimeable number, because it can be changed into a prime (20073716783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268490 + ... + 335013.

It is an arithmetic number, because the mean of its divisors is an integer number (3764054448).

Almost surely, 2^20073716786 is an apocalyptic number.

20073716786 is a deficient number, since it is larger than the sum of its proper divisors (10038718798).

20073716786 is a wasteful number, since it uses less digits than its factorization.

20073716786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620136.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 20073716786 in words is "twenty billion, seventy-three million, seven hundred sixteen thousand, seven hundred eighty-six".