204241143120402 has 64 divisors (see below), whose sum is σ = 422862866104320. Its totient is φ = 65713012295616.

The previous prime is 204241143120349. The next prime is 204241143120409. The reversal of 204241143120402 is 204021341142402.

It is a self number, because there is not a number n which added to its sum of digits gives 204241143120402.

It is not an unprimeable number, because it can be changed into a prime (204241143120409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326145513 + ... + 326771139.

It is an arithmetic number, because the mean of its divisors is an integer number (6607232282880).

Almost surely, 2^{204241143120402} is an apocalyptic number.

204241143120402 is an abundant number, since it is smaller than the sum of its proper divisors (218621722983918).

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

204241143120402 is a wasteful number, since it uses less digits than its factorization.

204241143120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637375.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 204241143120402 its reverse (204021341142402), we get a palindrome (408262484262804).

The spelling of 204241143120402 in words is "two hundred four trillion, two hundred forty-one billion, one hundred forty-three million, one hundred twenty thousand, four hundred two".