204212736 has 240 divisors, whose sum is σ = 726870144. Its totient is φ = 53747712.

The previous prime is 204212713. The next prime is 204212773. The reversal of 204212736 is 637212402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419085 + ... + 419571.

Almost surely, 2^204212736 is an apocalyptic number.

204212736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204212736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363435072).

204212736 is an abundant number, since it is smaller than the sum of its proper divisors (522657408).

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

204212736 is a wasteful number, since it uses less digits than its factorization.

204212736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 204212736 is about 14290.3021661545. The cubic root of 204212736 is about 588.8810891785.

The spelling of 204212736 in words is "two hundred four million, two hundred twelve thousand, seven hundred thirty-six".