205961150 has 24 divisors (see below), whose sum is σ = 383465784. Its totient is φ = 82303200.

The previous prime is 205961143. The next prime is 205961177. The reversal of 205961150 is 51169502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95585 + ... + 97715.

It is an arithmetic number, because the mean of its divisors is an integer number (15977741).

Almost surely, 2^205961150 is an apocalyptic number.

205961150 is a deficient number, since it is larger than the sum of its proper divisors (177504634).

205961150 is a wasteful number, since it uses less digits than its factorization.

205961150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 205961150 is about 14351.3466267107. The cubic root of 205961150 is about 590.5569288775.

The spelling of 205961150 in words is "two hundred five million, nine hundred sixty-one thousand, one hundred fifty".