210132205 has 4 divisors (see below), whose sum is σ = 252158652. Its totient is φ = 168105760.

The previous prime is 210132203. The next prime is 210132233. The reversal of 210132205 is 502231012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78960996 + 131171209 = 8886^2 + 11453^2 .

It is not a de Polignac number, because 210132205 - 2¹ = 210132203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210132203) 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, 21013216 + ... + 21013225.

It is an arithmetic number, because the mean of its divisors is an integer number (63039663).

Almost surely, 2^210132205 is an apocalyptic number.

It is an amenable number.

210132205 is a deficient number, since it is larger than the sum of its proper divisors (42026447).

210132205 is an equidigital number, since it uses as much as digits as its factorization.

210132205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42026446.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 210132205 is about 14495.9375343577. The cubic root of 210132205 is about 594.5169018408.

Adding to 210132205 its reverse (502231012), we get a palindrome (712363217).

The spelling of 210132205 in words is "two hundred ten million, one hundred thirty-two thousand, two hundred five".