205042201 has 16 divisors (see below), whose sum is σ = 252784000. Its totient is φ = 161958528.

The previous prime is 205042199. The next prime is 205042223. The reversal of 205042201 is 102240502.

It is a cyclic number.

It is not a de Polignac number, because 205042201 - 2¹ = 205042199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205042241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65725 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (15799000).

Almost surely, 2^205042201 is an apocalyptic number.

It is an amenable number.

205042201 is a deficient number, since it is larger than the sum of its proper divisors (47741799).

205042201 is a wasteful number, since it uses less digits than its factorization.

205042201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 205042201 is about 14319.2947102851. The cubic root of 205042201 is about 589.6773118143.

Adding to 205042201 its reverse (102240502), we get a palindrome (307282703).

The spelling of 205042201 in words is "two hundred five million, forty-two thousand, two hundred one".