204022605078 has 96 divisors (see below), whose sum is σ = 459198305280. Its totient is φ = 65419280640.

The previous prime is 204022605049. The next prime is 204022605079. The reversal of 204022605078 is 870506220402.

204022605078 is a `hidden beast` number, since 2 + 0 + 40 + 2 + 2 + 605 + 0 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022605079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78198238 + ... + 78200846.

It is an arithmetic number, because the mean of its divisors is an integer number (4783315680).

Almost surely, 2^204022605078 is an apocalyptic number.

204022605078 is an abundant number, since it is smaller than the sum of its proper divisors (255175700202).

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

204022605078 is a wasteful number, since it uses less digits than its factorization.

204022605078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4151 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 204022605078 in words is "two hundred four billion, twenty-two million, six hundred five thousand, seventy-eight".