201044403200 has 132 divisors (see below), whose sum is σ = 501530876532. Its totient is φ = 79903948800.

The previous prime is 201044403169. The next prime is 201044403227. The reversal of 201044403200 is 2304440102.

It can be written as a sum of positive squares in 6 ways, for example, as 4533059584 + 196511343616 = 67328^2 + 443296^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3994190 + ... + 4044210.

Almost surely, 2^201044403200 is an apocalyptic number.

201044403200 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 201044403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250765438266).

201044403200 is an abundant number, since it is smaller than the sum of its proper divisors (300486473332).

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

201044403200 is a wasteful number, since it uses less digits than its factorization.

201044403200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50208 (or 50185 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 201044403200 its reverse (2304440102), we get a palindrome (203348843302).

The spelling of 201044403200 in words is "two hundred one billion, forty-four million, four hundred three thousand, two hundred".