206555350 has 12 divisors (see below), whose sum is σ = 384193044. Its totient is φ = 82622120.

The previous prime is 206555339. The next prime is 206555357. The reversal of 206555350 is 53555602.

It is a super-2 number, since 2×206555350² = 85330225227245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206555357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2065504 + ... + 2065603.

It is an arithmetic number, because the mean of its divisors is an integer number (32016087).

Almost surely, 2^206555350 is an apocalyptic number.

206555350 is a deficient number, since it is larger than the sum of its proper divisors (177637694).

206555350 is a wasteful number, since it uses less digits than its factorization.

206555350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131119 (or 4131114 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 206555350 is about 14372.0336069743. The cubic root of 206555350 is about 591.1243045021.

The spelling of 206555350 in words is "two hundred six million, five hundred fifty-five thousand, three hundred fifty".