20075117 has 8 divisors (see below), whose sum is σ = 20623680. Its totient is φ = 19529440.

The previous prime is 20075089. The next prime is 20075141. The reversal of 20075117 is 71157002.

It is a happy number.

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 20075117 - 2¹⁶ = 20009581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20075092 and 20075101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075417) 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, 26648 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^20075117 is an apocalyptic number.

It is an amenable number.

20075117 is a deficient number, since it is larger than the sum of its proper divisors (548563).

20075117 is an equidigital number, since it uses as much as digits as its factorization.

20075117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 20075117 is about 4480.5264199645. The cubic root of 20075117 is about 271.7811686065.

The spelling of 20075117 in words is "twenty million, seventy-five thousand, one hundred seventeen".