20117353 has 8 divisors (see below), whose sum is σ = 20710080. Its totient is φ = 19533360.

The previous prime is 20117351. The next prime is 20117359. The reversal of 20117353 is 35371102.

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 20117353 - 2¹ = 20117351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20117351) 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, 2643 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (2588760).

Almost surely, 2^20117353 is an apocalyptic number.

It is an amenable number.

20117353 is a deficient number, since it is larger than the sum of its proper divisors (592727).

20117353 is an equidigital number, since it uses as much as digits as its factorization.

20117353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 20117353 is about 4485.2372289546. The cubic root of 20117353 is about 271.9716350539.

Adding to 20117353 its reverse (35371102), we get a palindrome (55488455).

The spelling of 20117353 in words is "twenty million, one hundred seventeen thousand, three hundred fifty-three".