20768385303 has 36 divisors (see below), whose sum is σ = 31754281104. Its totient is φ = 13071931200.

The previous prime is 20768385289. The next prime is 20768385361. The reversal of 20768385303 is 30358386702.

20768385303 is a `hidden beast` number, since 20 + 7 + 68 + 38 + 530 + 3 = 666.

It is not a de Polignac number, because 20768385303 - 2⁸ = 20768385047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20768385103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 325326 + ... + 383892.

It is an arithmetic number, because the mean of its divisors is an integer number (882063364).

Almost surely, 2^20768385303 is an apocalyptic number.

20768385303 is a deficient number, since it is larger than the sum of its proper divisors (10985895801).

20768385303 is a wasteful number, since it uses less digits than its factorization.

20768385303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58676 (or 58642 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20768385303 in words is "twenty billion, seven hundred sixty-eight million, three hundred eighty-five thousand, three hundred three".