206505060201 has 64 divisors (see below), whose sum is σ = 351509913600. Its totient is φ = 118500408000.

The previous prime is 206505060173. The next prime is 206505060227. The reversal of 206505060201 is 102060505602.

206505060201 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 0 + 50 + 602 + 0 + 1 = 666.

It is not a de Polignac number, because 206505060201 - 2⁵ = 206505060169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (206505060241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11000115 + ... + 11018871.

It is an arithmetic number, because the mean of its divisors is an integer number (5492342400).

Almost surely, 2^206505060201 is an apocalyptic number.

It is an amenable number.

206505060201 is a deficient number, since it is larger than the sum of its proper divisors (145004853399).

206505060201 is a wasteful number, since it uses less digits than its factorization.

206505060201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20747 (or 20741 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 206505060201 its reverse (102060505602), we get a palindrome (308565565803).

The spelling of 206505060201 in words is "two hundred six billion, five hundred five million, sixty thousand, two hundred one".