205066142 has 16 divisors (see below), whose sum is σ = 311351040. Its totient is φ = 101288088.

The previous prime is 205066139. The next prime is 205066151. The reversal of 205066142 is 241660502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88523 + ... + 90809.

It is an arithmetic number, because the mean of its divisors is an integer number (19459440).

Almost surely, 2^205066142 is an apocalyptic number.

205066142 is a deficient number, since it is larger than the sum of its proper divisors (106284898).

205066142 is a wasteful number, since it uses less digits than its factorization.

205066142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205066142 is about 14320.1306558285. The cubic root of 205066142 is about 589.7002614234.

The spelling of 205066142 in words is "two hundred five million, sixty-six thousand, one hundred forty-two".