205013207 has 12 divisors (see below), whose sum is σ = 244033416. Its totient is φ = 171637200.

The previous prime is 205013167. The next prime is 205013219. The reversal of 205013207 is 702310502.

It is not a de Polignac number, because 205013207 - 2⁶ = 205013143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205013227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46544 + ... + 50757.

It is an arithmetic number, because the mean of its divisors is an integer number (20336118).

Almost surely, 2^205013207 is an apocalyptic number.

205013207 is a deficient number, since it is larger than the sum of its proper divisors (39020209).

205013207 is an equidigital number, since it uses as much as digits as its factorization.

205013207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97358 (or 97351 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 205013207 is about 14318.2822642941. The cubic root of 205013207 is about 589.6495160567.

Adding to 205013207 its reverse (702310502), we get a palindrome (907323709).

The spelling of 205013207 in words is "two hundred five million, thirteen thousand, two hundred seven".