204053636 has 6 divisors (see below), whose sum is σ = 357093870. Its totient is φ = 102026816.

The previous prime is 204053627. The next prime is 204053639. The reversal of 204053636 is 636350402.

It can be written as a sum of positive squares in only one way, i.e., 153016900 + 51036736 = 12370^2 + 7144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204053599 and 204053608.

It is not an unprimeable number, because it can be changed into a prime (204053639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25506701 + ... + 25506708.

It is an arithmetic number, because the mean of its divisors is an integer number (59515645).

Almost surely, 2^204053636 is an apocalyptic number.

It is an amenable number.

204053636 is a deficient number, since it is larger than the sum of its proper divisors (153040234).

204053636 is a wasteful number, since it uses less digits than its factorization.

204053636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51013413 (or 51013411 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 204053636 is about 14284.7343692489. The cubic root of 204053636 is about 588.7281190865.

The spelling of 204053636 in words is "two hundred four million, fifty-three thousand, six hundred thirty-six".