205072206 has 32 divisors (see below), whose sum is σ = 432378240. Its totient is φ = 64662624.

The previous prime is 205072199. The next prime is 205072213. The reversal of 205072206 is 602270502.

205072206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205072199) and next prime (205072213).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137541 + ... + 139023.

It is an arithmetic number, because the mean of its divisors is an integer number (13511820).

Almost surely, 2^205072206 is an apocalyptic number.

205072206 is an abundant number, since it is smaller than the sum of its proper divisors (227306034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205072206 is a wasteful number, since it uses less digits than its factorization.

205072206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 205072206 is about 14320.3423841750. The cubic root of 205072206 is about 589.7060740311.

The spelling of 205072206 in words is "two hundred five million, seventy-two thousand, two hundred six".