204000402 has 8 divisors (see below), whose sum is σ = 408000816. Its totient is φ = 68000132.

The previous prime is 204000383. The next prime is 204000427.

204000402 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

204000402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17000028 + ... + 17000039.

It is an arithmetic number, because the mean of its divisors is an integer number (51000102).

Almost surely, 2^204000402 is an apocalyptic number.

204000402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204000402 is a wasteful number, since it uses less digits than its factorization.

204000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000072.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 204000402 is about 14282.8709298936. The cubic root of 204000402 is about 588.6769183678.

It can be divided in two parts, 204000 and 402, that added together give a palindrome (204402).

The spelling of 204000402 in words is "two hundred four million, four hundred two", and thus it is an aban number.