20716801 has 8 divisors (see below), whose sum is σ = 24180480. Its totient is φ = 17379168.

The previous prime is 20716789. The next prime is 20716873. The reversal of 20716801 is 10861702.

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

It is a cyclic number.

It is not a de Polignac number, because 20716801 - 2⁵ = 20716769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20716001) 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, 31156 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (3022560).

Almost surely, 2^20716801 is an apocalyptic number.

It is an amenable number.

20716801 is a deficient number, since it is larger than the sum of its proper divisors (3463679).

20716801 is an equidigital number, since it uses as much as digits as its factorization.

20716801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63023.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 20716801 is about 4551.5712671560. The cubic root of 20716801 is about 274.6466027999.

The spelling of 20716801 in words is "twenty million, seven hundred sixteen thousand, eight hundred one".