204305503402 has 64 divisors (see below), whose sum is σ = 429358454784. Its totient is φ = 70281858240.

The previous prime is 204305503393. The next prime is 204305503403.

204305503402 is nontrivially palindromic in base 10.

204305503402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204305503403) 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 31 ways as a sum of consecutive naturals, for example, 2172448 + ... + 2264539.

It is an arithmetic number, because the mean of its divisors is an integer number (6708725856).

Almost surely, 2^204305503402 is an apocalyptic number.

204305503402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204305503402 is an abundant number, since it is smaller than the sum of its proper divisors (225052951382).

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

204305503402 is a wasteful number, since it uses less digits than its factorization.

204305503402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437043.

The product of its (nonzero) digits is 14400, while the sum is 28.

It can be divided in two parts, 204305 and 503402, that added together give a palindrome (707707).

The spelling of 204305503402 in words is "two hundred four billion, three hundred five million, five hundred three thousand, four hundred two".