204431254116 has 48 divisors (see below), whose sum is σ = 495384578304. Its totient is φ = 65565583776.

The previous prime is 204431254057. The next prime is 204431254121. The reversal of 204431254116 is 611452134402.

It is a happy number.

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, 2922030 + ... + 2991173.

It is an arithmetic number, because the mean of its divisors is an integer number (10320512048).

Almost surely, 2^204431254116 is an apocalyptic number.

It is an amenable number.

204431254116 is an abundant number, since it is smaller than the sum of its proper divisors (290953324188).

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

204431254116 is a wasteful number, since it uses less digits than its factorization.

204431254116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913320 (or 5913318 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 204431254116 its reverse (611452134402), we get a palindrome (815883388518).

The spelling of 204431254116 in words is "two hundred four billion, four hundred thirty-one million, two hundred fifty-four thousand, one hundred sixteen".