205321150 has 12 divisors (see below), whose sum is σ = 381897432. Its totient is φ = 82128440.

The previous prime is 205321141. The next prime is 205321169. The reversal of 205321150 is 51123502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2053162 + ... + 2053261.

It is an arithmetic number, because the mean of its divisors is an integer number (31824786).

Almost surely, 2^205321150 is an apocalyptic number.

205321150 is a deficient number, since it is larger than the sum of its proper divisors (176576282).

205321150 is a wasteful number, since it uses less digits than its factorization.

205321150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106435 (or 4106430 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 205321150 is about 14329.0317188567. The cubic root of 205321150 is about 589.9445988390.

Adding to 205321150 its reverse (51123502), we get a palindrome (256444652).

The spelling of 205321150 in words is "two hundred five million, three hundred twenty-one thousand, one hundred fifty".