204586685402 has 16 divisors (see below), whose sum is σ = 354471049152. Its totient is φ = 87523715520.

The previous prime is 204586685267. The next prime is 204586685477.

204586685402 is nontrivially palindromic in base 10.

204586685402 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 unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 273511238 + ... + 273511985.

It is an arithmetic number, because the mean of its divisors is an integer number (22154440572).

Almost surely, 2^204586685402 is an apocalyptic number.

204586685402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204586685402 is a deficient number, since it is larger than the sum of its proper divisors (149884363750).

204586685402 is a wasteful number, since it uses less digits than its factorization.

204586685402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547023253.

The product of its (nonzero) digits is 3686400, while the sum is 50.

It can be divided in two parts, 204586 and 685402, that added together give a palindrome (889988).

The spelling of 204586685402 in words is "two hundred four billion, five hundred eighty-six million, six hundred eighty-five thousand, four hundred two".