204042016635 has 32 divisors (see below), whose sum is σ = 332057664000. Its totient is φ = 106959565056.

The previous prime is 204042016631. The next prime is 204042016669. The reversal of 204042016635 is 536610240402.

It is not a de Polignac number, because 204042016635 - 2² = 204042016631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204042016596 and 204042016605.

It is not an unprimeable number, because it can be changed into a prime (204042016631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6248631 + ... + 6281199.

It is an arithmetic number, because the mean of its divisors is an integer number (10376802000).

Almost surely, 2^204042016635 is an apocalyptic number.

204042016635 is a deficient number, since it is larger than the sum of its proper divisors (128015647365).

204042016635 is a wasteful number, since it uses less digits than its factorization.

204042016635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39715.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 204042016635 in words is "two hundred four billion, forty-two million, sixteen thousand, six hundred thirty-five".