204343016 has 16 divisors (see below), whose sum is σ = 392488740. Its totient is φ = 99679360.

The previous prime is 204343003. The next prime is 204343033. The reversal of 204343016 is 610343402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139476100 + 64866916 = 11810^2 + 8054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204342982 and 204343000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311171 + ... + 311826.

Almost surely, 2^204343016 is an apocalyptic number.

It is an amenable number.

204343016 is a deficient number, since it is larger than the sum of its proper divisors (188145724).

204343016 is a wasteful number, since it uses less digits than its factorization.

204343016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623044 (or 623040 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 204343016 is about 14294.8597754578. The cubic root of 204343016 is about 589.0062905100.

Adding to 204343016 its reverse (610343402), we get a palindrome (814686418).

The spelling of 204343016 in words is "two hundred four million, three hundred forty-three thousand, sixteen".