200185936900 has 18 divisors (see below), whose sum is σ = 434403483290. Its totient is φ = 80074374720.

The previous prime is 200185936883. The next prime is 200185936903. The reversal of 200185936900 is 9639581002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2180516416 + 198005420484 = 46696^2 + 444978^2 .

It is a super-2 number, since 2×200185936900² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200185936903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000929585 + ... + 1000929784.

Almost surely, 2^200185936900 is an apocalyptic number.

200185936900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200185936900 is an abundant number, since it is smaller than the sum of its proper divisors (234217546390).

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

200185936900 is a wasteful number, since it uses less digits than its factorization.

200185936900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001859383 (or 2001859376 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 200185936900 in words is "two hundred billion, one hundred eighty-five million, nine hundred thirty-six thousand, nine hundred".