205368838 has 4 divisors (see below), whose sum is σ = 308053260. Its totient is φ = 102684418.

The previous prime is 205368733. The next prime is 205368841. The reversal of 205368838 is 838863502.

205368838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838863502 = 2 ⋅419431751.

It is a junction number, because it is equal to n+sod(n) for n = 205368794 and 205368803.

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, 51342208 + ... + 51342211.

It is an arithmetic number, because the mean of its divisors is an integer number (77013315).

Almost surely, 2^205368838 is an apocalyptic number.

205368838 is a deficient number, since it is larger than the sum of its proper divisors (102684422).

205368838 is a wasteful number, since it uses less digits than its factorization.

205368838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102684421.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 205368838 is about 14330.6956565269. The cubic root of 205368838 is about 589.9902689193.

The spelling of 205368838 in words is "two hundred five million, three hundred sixty-eight thousand, eight hundred thirty-eight".