206030624 has 12 divisors (see below), whose sum is σ = 405622854. Its totient is φ = 103015296.

The previous prime is 206030621. The next prime is 206030641. The reversal of 206030624 is 426030602.

It can be written as a sum of positive squares in only one way, i.e., 199939600 + 6091024 = 14140^2 + 2468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 206030624.

It is not an unprimeable number, because it can be changed into a prime (206030621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219197 + ... + 3219260.

Almost surely, 2^206030624 is an apocalyptic number.

It is an amenable number.

206030624 is a deficient number, since it is larger than the sum of its proper divisors (199592230).

206030624 is an equidigital number, since it uses as much as digits as its factorization.

206030624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438467 (or 6438459 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 206030624 is about 14353.7668923527. The cubic root of 206030624 is about 590.6233228548.

The spelling of 206030624 in words is "two hundred six million, thirty thousand, six hundred twenty-four".