206325128 has 8 divisors (see below), whose sum is σ = 386859630. Its totient is φ = 103162560.

The previous prime is 206325127. The next prime is 206325139. The reversal of 206325128 is 821523602.

It can be written as a sum of positive squares in only one way, i.e., 203290564 + 3034564 = 14258^2 + 1742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 206325128.

It is not an unprimeable number, because it can be changed into a prime (206325121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12895313 + ... + 12895328.

Almost surely, 2^206325128 is an apocalyptic number.

It is an amenable number.

206325128 is a deficient number, since it is larger than the sum of its proper divisors (180534502).

206325128 is a wasteful number, since it uses less digits than its factorization.

206325128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25790647 (or 25790643 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 206325128 is about 14364.0219994262. The cubic root of 206325128 is about 590.9046048560.

The spelling of 206325128 in words is "two hundred six million, three hundred twenty-five thousand, one hundred twenty-eight".