204420022002 has 64 divisors (see below), whose sum is σ = 526273839360. Its totient is φ = 57605634432.

The previous prime is 204420021997. The next prime is 204420022007. The reversal of 204420022002 is 200220024402.

204420022002 is a `hidden beast` number, since 2 + 0 + 442 + 0 + 0 + 220 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (204420021997) and next prime (204420022007).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (204420022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3676473 + ... + 3731660.

It is an arithmetic number, because the mean of its divisors is an integer number (8223028740).

Almost surely, 2^204420022002 is an apocalyptic number.

204420022002 is an abundant number, since it is smaller than the sum of its proper divisors (321853817358).

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

204420022002 is a wasteful number, since it uses less digits than its factorization.

204420022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408224 (or 7408218 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 204420022002 its reverse (200220024402), we get a palindrome (404640046404).

The spelling of 204420022002 in words is "two hundred four billion, four hundred twenty million, twenty-two thousand, two".