204134431402 has 32 divisors (see below), whose sum is σ = 341086028544. Its totient is φ = 90849196800.

The previous prime is 204134431381. The next prime is 204134431451.

204134431402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243874 + ... + 683917.

It is an arithmetic number, because the mean of its divisors is an integer number (10658938392).

Almost surely, 2^204134431402 is an apocalyptic number.

204134431402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204134431402 is a deficient number, since it is larger than the sum of its proper divisors (136951597142).

204134431402 is a wasteful number, since it uses less digits than its factorization.

204134431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928014.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 204134 and 431402, that added together give a palindrome (635536).

The spelling of 204134431402 in words is "two hundred four billion, one hundred thirty-four million, four hundred thirty-one thousand, four hundred two".