200271630 has 64 divisors (see below), whose sum is σ = 527446080. Its totient is φ = 48362496.

The previous prime is 200271629. The next prime is 200271637. The reversal of 200271630 is 36172002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200271597 and 200271606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200271637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15826 + ... + 25514.

It is an arithmetic number, because the mean of its divisors is an integer number (8241345).

Almost surely, 2^200271630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200271630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263723040).

200271630 is an abundant number, since it is smaller than the sum of its proper divisors (327174450).

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

200271630 is a wasteful number, since it uses less digits than its factorization.

200271630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9765.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 200271630 is about 14151.7359359197. The cubic root of 200271630 is about 585.0681781888.

The spelling of 200271630 in words is "two hundred million, two hundred seventy-one thousand, six hundred thirty".