206266201 has 4 divisors (see below), whose sum is σ = 206299600. Its totient is φ = 206232804.

The previous prime is 206266199. The next prime is 206266211. The reversal of 206266201 is 102662602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206266201 - 2¹ = 206266199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206266211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4431 + ... + 20788.

It is an arithmetic number, because the mean of its divisors is an integer number (51574900).

Almost surely, 2^206266201 is an apocalyptic number.

It is an amenable number.

206266201 is a deficient number, since it is larger than the sum of its proper divisors (33399).

206266201 is an equidigital number, since it uses as much as digits as its factorization.

206266201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33398.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 206266201 is about 14361.9706516898. The cubic root of 206266201 is about 590.8483448625.

The spelling of 206266201 in words is "two hundred six million, two hundred sixty-six thousand, two hundred one".