20106759 has 8 divisors (see below), whose sum is σ = 27248752. Its totient is φ = 13184640.

The previous prime is 20106743. The next prime is 20106763. The reversal of 20106759 is 95760102.

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

It is not a de Polignac number, because 20106759 - 2⁴ = 20106743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106659) 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, 54754 + ... + 55119.

It is an arithmetic number, because the mean of its divisors is an integer number (3406094).

Almost surely, 2^20106759 is an apocalyptic number.

20106759 is a deficient number, since it is larger than the sum of its proper divisors (7141993).

20106759 is a wasteful number, since it uses less digits than its factorization.

20106759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109937.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 20106759 is about 4484.0560879632. The cubic root of 20106759 is about 271.9238856736.

The spelling of 20106759 in words is "twenty million, one hundred six thousand, seven hundred fifty-nine".