201720014 has 16 divisors (see below), whose sum is σ = 308862720. Its totient is φ = 98772960.

The previous prime is 201719989. The next prime is 201720047. The reversal of 201720014 is 410027102.

It is a junction number, because it is equal to n+sod(n) for n = 201719974 and 201720001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68627 + ... + 71505.

It is an arithmetic number, because the mean of its divisors is an integer number (19303920).

Almost surely, 2^201720014 is an apocalyptic number.

201720014 is a deficient number, since it is larger than the sum of its proper divisors (107142706).

201720014 is a wasteful number, since it uses less digits than its factorization.

201720014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 201720014 is about 14202.8171149248. The cubic root of 201720014 is about 586.4752150914.

Adding to 201720014 its reverse (410027102), we get a palindrome (611747116).

The spelling of 201720014 in words is "two hundred one million, seven hundred twenty thousand, fourteen".