205041132142 has 32 divisors (see below), whose sum is σ = 386380710144. Its totient is φ = 79276329600.

The previous prime is 205041132137. The next prime is 205041132187. The reversal of 205041132142 is 241231140502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5061643 + ... + 5101990.

It is an arithmetic number, because the mean of its divisors is an integer number (12074397192).

Almost surely, 2^205041132142 is an apocalyptic number.

205041132142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205041132142 is a deficient number, since it is larger than the sum of its proper divisors (181339578002).

205041132142 is a wasteful number, since it uses less digits than its factorization.

205041132142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163784.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 205041132142 its reverse (241231140502), we get a palindrome (446272272644).

The spelling of 205041132142 in words is "two hundred five billion, forty-one million, one hundred thirty-two thousand, one hundred forty-two".