200185005220 has 24 divisors (see below), whose sum is σ = 424469957184. Its totient is φ = 79296583776.

The previous prime is 200185005211. The next prime is 200185005227. The reversal of 200185005220 is 22500581002.

200185005220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (200185005227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48586534 + ... + 48590653.

It is an arithmetic number, because the mean of its divisors is an integer number (17686248216).

Almost surely, 2^200185005220 is an apocalyptic number.

200185005220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200185005220 is an abundant number, since it is smaller than the sum of its proper divisors (224284951964).

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

200185005220 is a wasteful number, since it uses less digits than its factorization.

200185005220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97177299 (or 97177297 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 200185005220 its reverse (22500581002), we get a palindrome (222685586222).

The spelling of 200185005220 in words is "two hundred billion, one hundred eighty-five million, five thousand, two hundred twenty".