204219032836 has 135 divisors (see below), whose sum is σ = 452745017907. Its totient is φ = 80366963040.

The previous prime is 204219032833. The next prime is 204219032837. The reversal of 204219032836 is 638230912402.

The square root of 204219032836 is 451906.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 101255058436 + 102963974400 = 318206^2 + 320880^2 .

It is not an unprimeable number, because it can be changed into a prime (204219032833) 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 in 44 ways as a sum of consecutive naturals, for example, 1069209501 + ... + 1069209691.

Almost surely, 2^204219032836 is an apocalyptic number.

204219032836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204219032836 is the 451906-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204219032836

204219032836 is an abundant number, since it is smaller than the sum of its proper divisors (248525985071).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204219032836 is an frugal number, since it uses more digits than its factorization.

204219032836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 204219032836 in words is "two hundred four billion, two hundred nineteen million, thirty-two thousand, eight hundred thirty-six".