200420833 has 4 divisors (see below), whose sum is σ = 205309188. Its totient is φ = 195532480.

The previous prime is 200420809. The next prime is 200420849. The reversal of 200420833 is 338024002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 338024002 = 2 ⋅169012001.

It can be written as a sum of positive squares in 2 ways, for example, as 99860049 + 100560784 = 9993^2 + 10028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200420833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200420863) 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, 2444116 + ... + 2444197.

It is an arithmetic number, because the mean of its divisors is an integer number (51327297).

Almost surely, 2^200420833 is an apocalyptic number.

It is an amenable number.

200420833 is a deficient number, since it is larger than the sum of its proper divisors (4888355).

200420833 is an equidigital number, since it uses as much as digits as its factorization.

200420833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888354.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 200420833 is about 14157.0064985505. The cubic root of 200420833 is about 585.2134346725.

Adding to 200420833 its reverse (338024002), we get a palindrome (538444835).

The spelling of 200420833 in words is "two hundred million, four hundred twenty thousand, eight hundred thirty-three".