200890801 has 8 divisors (see below), whose sum is σ = 208045800. Its totient is φ = 193751040.

The previous prime is 200890787. The next prime is 200890841. The reversal of 200890801 is 108098002.

It can be written as a sum of positive squares in 4 ways, for example, as 11553201 + 189337600 = 3399^2 + 13760^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200890801 - 2⁹ = 200890289 is a prime.

It is a super-2 number, since 2×200890801² = 80714227852843202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200890801.

It is not an unprimeable number, because it can be changed into a prime (200890841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27505 + ... + 34033.

It is an arithmetic number, because the mean of its divisors is an integer number (26005725).

Almost surely, 2^200890801 is an apocalyptic number.

It is an amenable number.

200890801 is a deficient number, since it is larger than the sum of its proper divisors (7154999).

200890801 is a wasteful number, since it uses less digits than its factorization.

200890801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 200890801 is about 14173.5952037583. The cubic root of 200890801 is about 585.6705010838.

The spelling of 200890801 in words is "two hundred million, eight hundred ninety thousand, eight hundred one".