204285071156 has 12 divisors (see below), whose sum is σ = 357514825668. Its totient is φ = 102137978112.

The previous prime is 204285071153. The next prime is 204285071161. The reversal of 204285071156 is 651170582402.

It can be written as a sum of positive squares in 2 ways, for example, as 106837459600 + 97447611556 = 326860^2 + 312166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204285071153) 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, 1037501 + ... + 1218596.

It is an arithmetic number, because the mean of its divisors is an integer number (29792902139).

Almost surely, 2^204285071156 is an apocalyptic number.

It is an amenable number.

204285071156 is a deficient number, since it is larger than the sum of its proper divisors (153229754512).

204285071156 is a wasteful number, since it uses less digits than its factorization.

204285071156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278738 (or 2278736 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 204285071156 in words is "two hundred four billion, two hundred eighty-five million, seventy-one thousand, one hundred fifty-six".