200137860 has 216 divisors, whose sum is σ = 683144280. Its totient is φ = 47139840.

The previous prime is 200137859. The next prime is 200137871. The reversal of 200137860 is 68731002.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 199826496 = 558^2 + 14136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2248696 + ... + 2248784.

It is an arithmetic number, because the mean of its divisors is an integer number (3162705).

Almost surely, 2^200137860 is an apocalyptic number.

200137860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200137860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341572140).

200137860 is an abundant number, since it is smaller than the sum of its proper divisors (483006420).

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

200137860 is a wasteful number, since it uses less digits than its factorization.

200137860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 200137860 is about 14147.0088711360. The cubic root of 200137860 is about 584.9378851428.

Adding to 200137860 its reverse (68731002), we get a palindrome (268868862).

The spelling of 200137860 in words is "two hundred million, one hundred thirty-seven thousand, eight hundred sixty".