206501242 has 8 divisors (see below), whose sum is σ = 309830976. Its totient is φ = 103224252.

The previous prime is 206501209. The next prime is 206501249. The reversal of 206501242 is 242105602.

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

It is not an unprimeable number, because it can be changed into a prime (206501249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (38728872).

Almost surely, 2^206501242 is an apocalyptic number.

206501242 is a deficient number, since it is larger than the sum of its proper divisors (103329734).

206501242 is a wasteful number, since it uses less digits than its factorization.

206501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26372.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 206501242 is about 14370.1510778419. The cubic root of 206501242 is about 591.0726842026.

Adding to 206501242 its reverse (242105602), we get a palindrome (448606844).

The spelling of 206501242 in words is "two hundred six million, five hundred one thousand, two hundred forty-two".