20358386683 has 2 divisors, whose sum is σ = 20358386684. Its totient is φ = 20358386682.

The previous prime is 20358386647. The next prime is 20358386809. The reversal of 20358386683 is 38668385302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20358386683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20358386683.

It is not a weakly prime, because it can be changed into another prime (20358387683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10179193341 + 10179193342.

It is an arithmetic number, because the mean of its divisors is an integer number (10179193342).

Almost surely, 2^20358386683 is an apocalyptic number.

20358386683 is a deficient number, since it is larger than the sum of its proper divisors (1).

20358386683 is an equidigital number, since it uses as much as digits as its factorization.

20358386683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 20358386683 in words is "twenty billion, three hundred fifty-eight million, three hundred eighty-six thousand, six hundred eighty-three".