204242420202 has 32 divisors (see below), whose sum is σ = 412933118400. Its totient is φ = 67343220480.

The previous prime is 204242420201. The next prime is 204242420203. The reversal of 204242420202 is 202024242402.

204242420202 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204242420201) and next prime (204242420203).

It is not an unprimeable number, because it can be changed into a prime (204242420201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258528 + ... + 689435.

It is an arithmetic number, because the mean of its divisors is an integer number (12904159950).

Almost surely, 2^204242420202 is an apocalyptic number.

204242420202 is an abundant number, since it is smaller than the sum of its proper divisors (208690698198).

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

204242420202 is a wasteful number, since it uses less digits than its factorization.

204242420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948358.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204242420202 its reverse (202024242402), we get a palindrome (406266662604).

The spelling of 204242420202 in words is "two hundred four billion, two hundred forty-two million, four hundred twenty thousand, two hundred two".