206090601 has 16 divisors (see below), whose sum is σ = 278353920. Its totient is φ = 135619200.

The previous prime is 206090567. The next prime is 206090639. The reversal of 206090601 is 106090602.

It is not a de Polignac number, because 206090601 - 2⁹ = 206090089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206094601) 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, 123096 + ... + 124758.

It is an arithmetic number, because the mean of its divisors is an integer number (17397120).

Almost surely, 2^206090601 is an apocalyptic number.

It is an amenable number.

206090601 is a deficient number, since it is larger than the sum of its proper divisors (72263319).

206090601 is a wasteful number, since it uses less digits than its factorization.

206090601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 206090601 is about 14355.8559828385. The cubic root of 206090601 is about 590.6806288635.

Subtracting from 206090601 its reverse (106090602), we obtain a palindrome (99999999).

The spelling of 206090601 in words is "two hundred six million, ninety thousand, six hundred one".