20338584763 has 32 divisors (see below), whose sum is σ = 25237941120. Its totient is φ = 15990743040.

The previous prime is 20338584757. The next prime is 20338584793. The reversal of 20338584763 is 36748583302.

It is a cyclic number.

It is not a de Polignac number, because 20338584763 - 2⁹ = 20338584251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20338584733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6990153 + ... + 6993061.

It is an arithmetic number, because the mean of its divisors is an integer number (788685660).

Almost surely, 2^20338584763 is an apocalyptic number.

20338584763 is a deficient number, since it is larger than the sum of its proper divisors (4899356357).

20338584763 is a wasteful number, since it uses less digits than its factorization.

20338584763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 20338584763 in words is "twenty billion, three hundred thirty-eight million, five hundred eighty-four thousand, seven hundred sixty-three".