20730860683 has 8 divisors (see below), whose sum is σ = 22421363328. Its totient is φ = 19054046784.

The previous prime is 20730860653. The next prime is 20730860693. The reversal of 20730860683 is 38606803702.

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 20730860683 - 2¹³ = 20730852491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20730860653) 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, 3419035 + ... + 3425092.

It is an arithmetic number, because the mean of its divisors is an integer number (2802670416).

Almost surely, 2^20730860683 is an apocalyptic number.

20730860683 is a deficient number, since it is larger than the sum of its proper divisors (1690502645).

20730860683 is a wasteful number, since it uses less digits than its factorization.

20730860683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844373.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 20730860683 in words is "twenty billion, seven hundred thirty million, eight hundred sixty thousand, six hundred eighty-three".