204430005402 has 32 divisors (see below), whose sum is σ = 471805181952. Its totient is φ = 57841498224.

The previous prime is 204430005347. The next prime is 204430005427. The reversal of 204430005402 is 204500034402.

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, 23623738 + ... + 23632389.

It is an arithmetic number, because the mean of its divisors is an integer number (14743911936).

Almost surely, 2^204430005402 is an apocalyptic number.

204430005402 is an abundant number, since it is smaller than the sum of its proper divisors (267375176550).

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

204430005402 is a wasteful number, since it uses less digits than its factorization.

204430005402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47256242.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 204430005402 its reverse (204500034402), we get a palindrome (408930039804).

The spelling of 204430005402 in words is "two hundred four billion, four hundred thirty million, five thousand, four hundred two".