206653430 has 16 divisors (see below), whose sum is σ = 372481200. Its totient is φ = 82549152.

The previous prime is 206653429. The next prime is 206653439. The reversal of 206653430 is 34356602.

It is a junction number, because it is equal to n+sod(n) for n = 206653393 and 206653402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206653439) 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, 6080 + ... + 21219.

It is an arithmetic number, because the mean of its divisors is an integer number (23280075).

Almost surely, 2^206653430 is an apocalyptic number.

206653430 is a deficient number, since it is larger than the sum of its proper divisors (165827770).

206653430 is a wasteful number, since it uses less digits than its factorization.

206653430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 206653430 is about 14375.4453844046. The cubic root of 206653430 is about 591.2178521438.

The spelling of 206653430 in words is "two hundred six million, six hundred fifty-three thousand, four hundred thirty".