204202393 has 2 divisors, whose sum is σ = 204202394. Its totient is φ = 204202392.

The previous prime is 204202391. The next prime is 204202403. The reversal of 204202393 is 393202402.

204202393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203832729 + 369664 = 14277^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 204202393 - 2¹ = 204202391 is a prime.

Together with 204202391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (204202391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102101196 + 102101197.

It is an arithmetic number, because the mean of its divisors is an integer number (102101197).

Almost surely, 2^204202393 is an apocalyptic number.

It is an amenable number.

204202393 is a deficient number, since it is larger than the sum of its proper divisors (1).

204202393 is an equidigital number, since it uses as much as digits as its factorization.

204202393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 204202393 is about 14289.9402727933. The cubic root of 204202393 is about 588.8711470955.

Adding to 204202393 its reverse (393202402), we get a palindrome (597404795).

The spelling of 204202393 in words is "two hundred four million, two hundred two thousand, three hundred ninety-three".