20703713886728 has 64 divisors (see below), whose sum is σ = 41450986051200. Its totient is φ = 9671107944960.

The previous prime is 20703713886721. The next prime is 20703713886787. The reversal of 20703713886728 is 82768831730702.

It is not an unprimeable number, because it can be changed into a prime (20703713886721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302117108 + ... + 302185628.

It is an arithmetic number, because the mean of its divisors is an integer number (647671657050).

Almost surely, 2^{20703713886728} is an apocalyptic number.

It is an amenable number.

20703713886728 is an abundant number, since it is smaller than the sum of its proper divisors (20747272164472).

20703713886728 is a wasteful number, since it uses less digits than its factorization.

20703713886728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106782 (or 106778 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 62.

The spelling of 20703713886728 in words is "twenty trillion, seven hundred three billion, seven hundred thirteen million, eight hundred eighty-six thousand, seven hundred twenty-eight".