205210322545204 has 12 divisors (see below), whose sum is σ = 374731893343584. Its totient is φ = 98144067304184.

The previous prime is 205210322545177. The next prime is 205210322545213. The reversal of 205210322545204 is 402545223012502.

It is a super-2 number, since 2×205210322545204² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115273492002 + ... + 1115273492185.

It is an arithmetic number, because the mean of its divisors is an integer number (31227657778632).

Almost surely, 2^{205210322545204} is an apocalyptic number.

It is an amenable number.

205210322545204 is a deficient number, since it is larger than the sum of its proper divisors (169521570798380).

205210322545204 is a wasteful number, since it uses less digits than its factorization.

205210322545204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230546984214 (or 2230546984212 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 205210322545204 its reverse (402545223012502), we get a palindrome (607755545557706).

The spelling of 205210322545204 in words is "two hundred five trillion, two hundred ten billion, three hundred twenty-two million, five hundred forty-five thousand, two hundred four".