20806701 has 8 divisors (see below), whose sum is σ = 27785184. Its totient is φ = 13849680.

The previous prime is 20806699. The next prime is 20806727. The reversal of 20806701 is 10760802.

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

It is not a de Polignac number, because 20806701 - 2¹ = 20806699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20806741) 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, 2946 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (3473148).

Almost surely, 2^20806701 is an apocalyptic number.

It is an amenable number.

20806701 is a deficient number, since it is larger than the sum of its proper divisors (6978483).

20806701 is a wasteful number, since it uses less digits than its factorization.

20806701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 20806701 is about 4561.4362869605. The cubic root of 20806701 is about 275.0433033736.

The spelling of 20806701 in words is "twenty million, eight hundred six thousand, seven hundred one".