206065211252 has 6 divisors (see below), whose sum is σ = 360614119698. Its totient is φ = 103032605624.

The previous prime is 206065211251. The next prime is 206065211267. The reversal of 206065211252 is 252112560602.

It can be written as a sum of positive squares in only one way, i.e., 184044432016 + 22020779236 = 429004^2 + 148394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206065211251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25758151403 + ... + 25758151410.

It is an arithmetic number, because the mean of its divisors is an integer number (60102353283).

Almost surely, 2^206065211252 is an apocalyptic number.

It is an amenable number.

206065211252 is a deficient number, since it is larger than the sum of its proper divisors (154548908446).

206065211252 is a wasteful number, since it uses less digits than its factorization.

206065211252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51516302817 (or 51516302815 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 206065211252 its reverse (252112560602), we get a palindrome (458177771854).

The spelling of 206065211252 in words is "two hundred six billion, sixty-five million, two hundred eleven thousand, two hundred fifty-two".