204120004402 has 8 divisors (see below), whose sum is σ = 306185713200. Its totient is φ = 102058100004.

The previous prime is 204120004397. The next prime is 204120004409. The reversal of 204120004402 is 204400021402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 204120004402.

It is not an unprimeable number, because it can be changed into a prime (204120004409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812952 + ... + 1033987.

It is an arithmetic number, because the mean of its divisors is an integer number (38273214150).

Almost surely, 2^204120004402 is an apocalyptic number.

204120004402 is a deficient number, since it is larger than the sum of its proper divisors (102065708798).

204120004402 is a wasteful number, since it uses less digits than its factorization.

204120004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902200.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 204120004402 its reverse (204400021402), we get a palindrome (408520025804).

The spelling of 204120004402 in words is "two hundred four billion, one hundred twenty million, four thousand, four hundred two".