205555219034 has 8 divisors (see below), whose sum is σ = 336363085728. Its totient is φ = 93434190460.

The previous prime is 205555219013. The next prime is 205555219123. The reversal of 205555219034 is 430912555502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205555218982 and 205555219000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671709502 + ... + 4671709545.

It is an arithmetic number, because the mean of its divisors is an integer number (42045385716).

Almost surely, 2^205555219034 is an apocalyptic number.

205555219034 is a deficient number, since it is larger than the sum of its proper divisors (130807866694).

205555219034 is a wasteful number, since it uses less digits than its factorization.

205555219034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343419060.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 205555219034 in words is "two hundred five billion, five hundred fifty-five million, two hundred nineteen thousand, thirty-four".