204202043 has 4 divisors (see below), whose sum is σ = 204258768. Its totient is φ = 204145320.

The previous prime is 204202039. The next prime is 204202067. The reversal of 204202043 is 340202402.

204202043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204202043 - 2² = 204202039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204202643) 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, 22568 + ... + 30293.

It is an arithmetic number, because the mean of its divisors is an integer number (51064692).

Almost surely, 2^204202043 is an apocalyptic number.

204202043 is a deficient number, since it is larger than the sum of its proper divisors (56725).

204202043 is an equidigital number, since it uses as much as digits as its factorization.

204202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56724.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204202043 is about 14289.9280264108. The cubic root of 204202043 is about 588.8708106563.

Adding to 204202043 its reverse (340202402), we get a palindrome (544404445).

The spelling of 204202043 in words is "two hundred four million, two hundred two thousand, forty-three".