204240002002 has 16 divisors (see below), whose sum is σ = 307996401240. Its totient is φ = 101575400832.

The previous prime is 204240001967. The next prime is 204240002033. The reversal of 204240002002 is 200200042402.

It can be written as a sum of positive squares in 4 ways, for example, as 184263289081 + 19976712921 = 429259^2 + 141339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257268 + ... + 688960.

Almost surely, 2^204240002002 is an apocalyptic number.

204240002002 is a deficient number, since it is larger than the sum of its proper divisors (103756399238).

204240002002 is a wasteful number, since it uses less digits than its factorization.

204240002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432957.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 204240002002 its reverse (200200042402), we get a palindrome (404440044404).

The spelling of 204240002002 in words is "two hundred four billion, two hundred forty million, two thousand, two".