201117065700 has 72 divisors (see below), whose sum is σ = 581950912480. Its totient is φ = 53626406400.

The previous prime is 201117065621. The next prime is 201117065707. The reversal of 201117065700 is 7560711102.

201117065700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (201117065707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4411020 + ... + 4456380.

Almost surely, 2^201117065700 is an apocalyptic number.

201117065700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201117065700 is an abundant number, since it is smaller than the sum of its proper divisors (380833846780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201117065700 is a wasteful number, since it uses less digits than its factorization.

201117065700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60157 (or 60150 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 201117065700 its reverse (7560711102), we get a palindrome (208677776802).

The spelling of 201117065700 in words is "two hundred one billion, one hundred seventeen million, sixty-five thousand, seven hundred".