200641536 has 220 divisors, whose sum is σ = 624171240. Its totient is φ = 64143360.

The previous prime is 200641523. The next prime is 200641537. The reversal of 200641536 is 635146002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200641537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3400675 + ... + 3400733.

It is an arithmetic number, because the mean of its divisors is an integer number (2837142).

Almost surely, 2^200641536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200641536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312085620).

200641536 is an abundant number, since it is smaller than the sum of its proper divisors (423529704).

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

200641536 is an equidigital number, since it uses as much as digits as its factorization.

200641536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 200641536 is about 14164.7991867163. The cubic root of 200641536 is about 585.4281678052.

Adding to 200641536 its reverse (635146002), we get a palindrome (835787538).

The spelling of 200641536 in words is "two hundred million, six hundred forty-one thousand, five hundred thirty-six".