206572056 has 32 divisors (see below), whose sum is σ = 516782400. Its totient is φ = 68810400.

The previous prime is 206572031. The next prime is 206572057. The reversal of 206572056 is 650275602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206572057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66915 + ... + 69933.

It is an arithmetic number, because the mean of its divisors is an integer number (16149450).

Almost surely, 2^206572056 is an apocalyptic number.

It is an amenable number.

206572056 is an abundant number, since it is smaller than the sum of its proper divisors (310210344).

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

206572056 is a wasteful number, since it uses less digits than its factorization.

206572056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 206572056 is about 14372.6147934188. The cubic root of 206572056 is about 591.1402405961.

The spelling of 206572056 in words is "two hundred six million, five hundred seventy-two thousand, fifty-six".