205368260205 has 32 divisors (see below), whose sum is σ = 342596505600. Its totient is φ = 104920123392.

The previous prime is 205368260191. The next prime is 205368260231. The reversal of 205368260205 is 502062863502.

It is not a de Polignac number, because 205368260205 - 2⁴ = 205368260189 is a prime.

It is a super-2 number, since 2×205368260205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1803460 + ... + 1913949.

It is an arithmetic number, because the mean of its divisors is an integer number (10706140800).

Almost surely, 2^205368260205 is an apocalyptic number.

It is an amenable number.

205368260205 is a deficient number, since it is larger than the sum of its proper divisors (137228245395).

205368260205 is a wasteful number, since it uses less digits than its factorization.

205368260205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717573.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 205368260205 in words is "two hundred five billion, three hundred sixty-eight million, two hundred sixty thousand, two hundred five".