205112354 has 16 divisors (see below), whose sum is σ = 310640928. Its totient is φ = 101570112.

The previous prime is 205112351. The next prime is 205112359. The reversal of 205112354 is 453211502.

It is not an unprimeable number, because it can be changed into a prime (205112351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108929 + ... + 110795.

It is an arithmetic number, because the mean of its divisors is an integer number (19415058).

Almost surely, 2^205112354 is an apocalyptic number.

205112354 is a deficient number, since it is larger than the sum of its proper divisors (105528574).

205112354 is a wasteful number, since it uses less digits than its factorization.

205112354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 205112354 is about 14321.7440976998. The cubic root of 205112354 is about 589.7445547449.

Adding to 205112354 its reverse (453211502), we get a palindrome (658323856).

The spelling of 205112354 in words is "two hundred five million, one hundred twelve thousand, three hundred fifty-four".