206021602 has 8 divisors (see below), whose sum is σ = 309138012. Its totient is φ = 102975600.

The previous prime is 206021593. The next prime is 206021609. The reversal of 206021602 is 206120602.

206021602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202749121 + 3272481 = 14239^2 + 1809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 206021602.

It is not an unprimeable number, because it can be changed into a prime (206021609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9549 + ... + 22432.

Almost surely, 2^206021602 is an apocalyptic number.

206021602 is a deficient number, since it is larger than the sum of its proper divisors (103116410).

206021602 is a wasteful number, since it uses less digits than its factorization.

206021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35204.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 206021602 is about 14353.4526160085. The cubic root of 206021602 is about 590.6147016746.

The spelling of 206021602 in words is "two hundred six million, twenty-one thousand, six hundred two".