205323522220 has 24 divisors (see below), whose sum is σ = 431190522000. Its totient is φ = 82127289792.

The previous prime is 205323522193. The next prime is 205323522277. The reversal of 205323522220 is 22225323502.

205323522220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 834111 + ... + 1051849.

It is an arithmetic number, because the mean of its divisors is an integer number (17966271750).

Almost surely, 2^205323522220 is an apocalyptic number.

205323522220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205323522220 is an abundant number, since it is smaller than the sum of its proper divisors (225866999780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205323522220 is a wasteful number, since it uses less digits than its factorization.

205323522220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264897 (or 264895 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 205323522220 its reverse (22225323502), we get a palindrome (227548845722).

The spelling of 205323522220 in words is "two hundred five billion, three hundred twenty-three million, five hundred twenty-two thousand, two hundred twenty".