201117692 has 12 divisors (see below), whose sum is σ = 352224096. Its totient is φ = 100482240.

The previous prime is 201117691. The next prime is 201117703. The reversal of 201117692 is 296711102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201117691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13028 + ... + 23915.

It is an arithmetic number, because the mean of its divisors is an integer number (29352008).

Almost surely, 2^201117692 is an apocalyptic number.

It is an amenable number.

201117692 is a deficient number, since it is larger than the sum of its proper divisors (151106404).

201117692 is a wasteful number, since it uses less digits than its factorization.

201117692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38308 (or 38306 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 201117692 is about 14181.5969481578. The cubic root of 201117692 is about 585.8909083384.

Adding to 201117692 its reverse (296711102), we get a palindrome (497828794).

The spelling of 201117692 in words is "two hundred one million, one hundred seventeen thousand, six hundred ninety-two".