205140332214105 has 32 divisors (see below), whose sum is σ = 333861292104960. Its totient is φ = 107532010010880.

The previous prime is 205140332214053. The next prime is 205140332214211. The reversal of 205140332214105 is 501412233041502.

It is not a de Polignac number, because 205140332214105 - 2¹⁶ = 205140332148569 is a prime.

It is a super-2 number, since 2×205140332214105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84838870 + ... + 87223359.

It is an arithmetic number, because the mean of its divisors is an integer number (10433165378280).

Almost surely, 2^{205140332214105} is an apocalyptic number.

It is an amenable number.

205140332214105 is a deficient number, since it is larger than the sum of its proper divisors (128720959890855).

205140332214105 is a wasteful number, since it uses less digits than its factorization.

205140332214105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172063601.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 205140332214105 its reverse (501412233041502), we get a palindrome (706552565255607).

The spelling of 205140332214105 in words is "two hundred five trillion, one hundred forty billion, three hundred thirty-two million, two hundred fourteen thousand, one hundred five".