205150502 has 4 divisors (see below), whose sum is σ = 307725756. Its totient is φ = 102575250.

The previous prime is 205150489. The next prime is 205150531. The reversal of 205150502 is 205051502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205051502 = 2 ⋅102525751.

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 as a sum of consecutive naturals, namely, 51287624 + ... + 51287627.

It is an arithmetic number, because the mean of its divisors is an integer number (76931439).

Almost surely, 2^205150502 is an apocalyptic number.

205150502 is a deficient number, since it is larger than the sum of its proper divisors (102575254).

205150502 is a wasteful number, since it uses less digits than its factorization.

205150502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102575253.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 205150502 is about 14323.0758568123. The cubic root of 205150502 is about 589.7811138636.

The spelling of 205150502 in words is "two hundred five million, one hundred fifty thousand, five hundred two".