205700216022142 has 16 divisors (see below), whose sum is σ = 310157855176752. Its totient is φ = 102314294622720.

The previous prime is 205700216022139. The next prime is 205700216022149. The reversal of 205700216022142 is 241220612007502.

205700216022142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205700216022098 and 205700216022107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205700216022149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6033792 + ... + 21161452.

It is an arithmetic number, because the mean of its divisors is an integer number (19384865948547).

Almost surely, 2^{205700216022142} is an apocalyptic number.

205700216022142 is a deficient number, since it is larger than the sum of its proper divisors (104457639154610).

205700216022142 is a wasteful number, since it uses less digits than its factorization.

205700216022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163083.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 205700216022142 its reverse (241220612007502), we get a palindrome (446920828029644).

The spelling of 205700216022142 in words is "two hundred five trillion, seven hundred billion, two hundred sixteen million, twenty-two thousand, one hundred forty-two".