205228539194 has 16 divisors (see below), whose sum is σ = 351826765056. Its totient is φ = 87953485200.

The previous prime is 205228539181. The next prime is 205228539209. The reversal of 205228539194 is 491935822502.

It is a Curzon 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, 984959 + ... + 1174989.

It is an arithmetic number, because the mean of its divisors is an integer number (21989172816).

Almost surely, 2^205228539194 is an apocalyptic number.

205228539194 is a deficient number, since it is larger than the sum of its proper divisors (146598225862).

205228539194 is a wasteful number, since it uses less digits than its factorization.

205228539194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267181.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 205228539194 in words is "two hundred five billion, two hundred twenty-eight million, five hundred thirty-nine thousand, one hundred ninety-four".