206332147 has 4 divisors (see below), whose sum is σ = 235808176. Its totient is φ = 176856120.

The previous prime is 206332097. The next prime is 206332157. The reversal of 206332147 is 741233602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 206332147 - 2¹⁹ = 205807859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206332157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14738004 + ... + 14738017.

It is an arithmetic number, because the mean of its divisors is an integer number (58952044).

Almost surely, 2^206332147 is an apocalyptic number.

206332147 is a deficient number, since it is larger than the sum of its proper divisors (29476029).

206332147 is an equidigital number, since it uses as much as digits as its factorization.

206332147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476028.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 206332147 is about 14364.2663230671. The cubic root of 206332147 is about 590.9113054656.

Adding to 206332147 its reverse (741233602), we get a palindrome (947565749).

The spelling of 206332147 in words is "two hundred six million, three hundred thirty-two thousand, one hundred forty-seven".