204506030356 has 6 divisors (see below), whose sum is σ = 357885553130. Its totient is φ = 102253015176.

The previous prime is 204506030303. The next prime is 204506030357. The reversal of 204506030356 is 653030605402.

It can be written as a sum of positive squares in only one way, i.e., 181164301956 + 23341728400 = 425634^2 + 152780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204506030357) 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 as a sum of consecutive naturals, namely, 25563253791 + ... + 25563253798.

Almost surely, 2^204506030356 is an apocalyptic number.

It is an amenable number.

204506030356 is a deficient number, since it is larger than the sum of its proper divisors (153379522774).

204506030356 is a wasteful number, since it uses less digits than its factorization.

204506030356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51126507593 (or 51126507591 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 204506030356 its reverse (653030605402), we get a palindrome (857536635758).

The spelling of 204506030356 in words is "two hundred four billion, five hundred six million, thirty thousand, three hundred fifty-six".