200041821 has 24 divisors (see below), whose sum is σ = 330782400. Its totient is φ = 114117696.

The previous prime is 200041813. The next prime is 200041843. The reversal of 200041821 is 128140002.

It is not a de Polignac number, because 200041821 - 2³ = 200041813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200041794 and 200041803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200041811) 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 23 ways as a sum of consecutive naturals, for example, 40705 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (13782600).

Almost surely, 2^200041821 is an apocalyptic number.

200041821 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200041821 is a deficient number, since it is larger than the sum of its proper divisors (130740579).

200041821 is a wasteful number, since it uses less digits than its factorization.

200041821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5342 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 200041821 is about 14143.6141420784. The cubic root of 200041821 is about 584.8443065837.

Adding to 200041821 its reverse (128140002), we get a palindrome (328181823).

The spelling of 200041821 in words is "two hundred million, forty-one thousand, eight hundred twenty-one".