200244001 has 4 divisors (see below), whose sum is σ = 200547604. Its totient is φ = 199940400.

The previous prime is 200243993. The next prime is 200244007. The reversal of 200244001 is 100442002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100442002 = 2 ⋅50221001.

It can be written as a sum of positive squares in 2 ways, for example, as 185613376 + 14630625 = 13624^2 + 3825^2 .

It is a cyclic number.

It is not a de Polignac number, because 200244001 - 2³ = 200243993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200244007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150810 + ... + 152131.

It is an arithmetic number, because the mean of its divisors is an integer number (50136901).

Almost surely, 2^200244001 is an apocalyptic number.

It is an amenable number.

200244001 is a deficient number, since it is larger than the sum of its proper divisors (303603).

200244001 is an equidigital number, since it uses as much as digits as its factorization.

200244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303602.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200244001 is about 14150.7597322547. The cubic root of 200244001 is about 585.0412720778.

Adding to 200244001 its reverse (100442002), we get a palindrome (300686003).

It can be divided in two parts, 20024 and 4001, that added together give a square (24025 = 155²).

The spelling of 200244001 in words is "two hundred million, two hundred forty-four thousand, one".