20216810713 has 8 divisors (see below), whose sum is σ = 22282071840. Its totient is φ = 18189444480.

The previous prime is 20216810689. The next prime is 20216810717. The reversal of 20216810713 is 31701861202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20216810713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20216810717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9472603 + ... + 9474736.

It is an arithmetic number, because the mean of its divisors is an integer number (2785258980).

Almost surely, 2^20216810713 is an apocalyptic number.

It is an amenable number.

20216810713 is a deficient number, since it is larger than the sum of its proper divisors (2065261127).

20216810713 is a wasteful number, since it uses less digits than its factorization.

20216810713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947447.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 20216810713 in words is "twenty billion, two hundred sixteen million, eight hundred ten thousand, seven hundred thirteen".