102205206 has 32 divisors (see below), whose sum is σ = 228288000. Its totient is φ = 33893640.

The previous prime is 102205189. The next prime is 102205247. The reversal of 102205206 is 602502201.

102205206 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5991 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (7134000).

Almost surely, 2^102205206 is an apocalyptic number.

102205206 is an abundant number, since it is smaller than the sum of its proper divisors (126082794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102205206 is a wasteful number, since it uses less digits than its factorization.

102205206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102205206 is about 10109.6590446958. The cubic root of 102205206 is about 467.5459929776.

Adding to 102205206 its reverse (602502201), we get a palindrome (704707407).

The spelling of 102205206 in words is "one hundred two million, two hundred five thousand, two hundred six".