205714020417 has 8 divisors (see below), whose sum is σ = 274301931360. Its totient is φ = 137134394880.

The previous prime is 205714020377. The next prime is 205714020437. The reversal of 205714020417 is 714020417502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205714020417 - 2¹⁰ = 205714019393 is a prime.

It is a super-2 number, since 2×205714020417² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205714020437) 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, 2013184 + ... + 2112897.

It is an arithmetic number, because the mean of its divisors is an integer number (34287741420).

Almost surely, 2^205714020417 is an apocalyptic number.

It is an amenable number.

205714020417 is a deficient number, since it is larger than the sum of its proper divisors (68587910943).

205714020417 is a wasteful number, since it uses less digits than its factorization.

205714020417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142703.

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 205714020417 its reverse (714020417502), we get a palindrome (919734437919).

The spelling of 205714020417 in words is "two hundred five billion, seven hundred fourteen million, twenty thousand, four hundred seventeen".