204268342774 has 4 divisors (see below), whose sum is σ = 306402514164. Its totient is φ = 102134171386.

The previous prime is 204268342757. The next prime is 204268342781. The reversal of 204268342774 is 477243862402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477243862402 = 2 ⋅238621931201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51067085692 + ... + 51067085695.

It is an arithmetic number, because the mean of its divisors is an integer number (76600628541).

Almost surely, 2^204268342774 is an apocalyptic number.

204268342774 is a deficient number, since it is larger than the sum of its proper divisors (102134171390).

204268342774 is a wasteful number, since it uses less digits than its factorization.

204268342774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102134171389.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 204268342774 in words is "two hundred four billion, two hundred sixty-eight million, three hundred forty-two thousand, seven hundred seventy-four".