204151020254 has 16 divisors (see below), whose sum is σ = 314527818528. Its totient is φ = 99308850912.

The previous prime is 204151020239. The next prime is 204151020259. The reversal of 204151020254 is 452020151402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204151020259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893804 + ... + 1098720.

It is an arithmetic number, because the mean of its divisors is an integer number (19657988658).

Almost surely, 2^204151020254 is an apocalyptic number.

204151020254 is a deficient number, since it is larger than the sum of its proper divisors (110376798274).

204151020254 is a wasteful number, since it uses less digits than its factorization.

204151020254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218419.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 204151020254 its reverse (452020151402), we get a palindrome (656171171656).

The spelling of 204151020254 in words is "two hundred four billion, one hundred fifty-one million, twenty thousand, two hundred fifty-four".