205153310 has 16 divisors (see below), whose sum is σ = 370935936. Its totient is φ = 81692448.

The previous prime is 205153231. The next prime is 205153349. The reversal of 205153310 is 13351502.

It is a super-2 number, since 2×205153310² = 84175761207912200, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 43769 + ... + 48228.

It is an arithmetic number, because the mean of its divisors is an integer number (23183496).

Almost surely, 2^205153310 is an apocalyptic number.

205153310 is a deficient number, since it is larger than the sum of its proper divisors (165782626).

205153310 is a wasteful number, since it uses less digits than its factorization.

205153310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92227.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 205153310 is about 14323.1738801147. The cubic root of 205153310 is about 589.7838047301.

The spelling of 205153310 in words is "two hundred five million, one hundred fifty-three thousand, three hundred ten".