201870200200 has 48 divisors (see below), whose sum is σ = 469704127860. Its totient is φ = 80686848000.

The previous prime is 201870200177. The next prime is 201870200219. The reversal of 201870200200 is 2002078102.

It can be written as a sum of positive squares in 6 ways, for example, as 127976476644 + 73893723556 = 357738^2 + 271834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117841 + ... + 646240.

Almost surely, 2^201870200200 is an apocalyptic number.

201870200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201870200200 is an abundant number, since it is smaller than the sum of its proper divisors (267833927660).

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

201870200200 is a wasteful number, since it uses less digits than its factorization.

201870200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765418 (or 765409 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 201870200200 its reverse (2002078102), we get a palindrome (203872278302).

The spelling of 201870200200 in words is "two hundred one billion, eight hundred seventy million, two hundred thousand, two hundred".