20117675 has 24 divisors (see below), whose sum is σ = 26925360. Its totient is φ = 14860800.

The previous prime is 20117627. The next prime is 20117693. The reversal of 20117675 is 57671102.

It is not a de Polignac number, because 20117675 - 2⁶ = 20117611 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18959 + ... + 19991.

It is an arithmetic number, because the mean of its divisors is an integer number (1121890).

Almost surely, 2^20117675 is an apocalyptic number.

20117675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20117675 is a deficient number, since it is larger than the sum of its proper divisors (6807685).

20117675 is a wasteful number, since it uses less digits than its factorization.

20117675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 20117675 is about 4485.2731243482. The cubic root of 20117675 is about 271.9730861130.

Adding to 20117675 its reverse (57671102), we get a palindrome (77788777).

The spelling of 20117675 in words is "twenty million, one hundred seventeen thousand, six hundred seventy-five".