205028681452 has 24 divisors (see below), whose sum is σ = 410691181824. Its totient is φ = 87733616592.

The previous prime is 205028681449. The next prime is 205028681461. The reversal of 205028681452 is 254186820502.

It is a junction number, because it is equal to n+sod(n) for n = 205028681399 and 205028681408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640658 + ... + 5676889.

It is an arithmetic number, because the mean of its divisors is an integer number (17112132576).

Almost surely, 2^205028681452 is an apocalyptic number.

It is an amenable number.

205028681452 is an abundant number, since it is smaller than the sum of its proper divisors (205662500372).

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

205028681452 is a wasteful number, since it uses less digits than its factorization.

205028681452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318205 (or 11318203 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 205028681452 in words is "two hundred five billion, twenty-eight million, six hundred eighty-one thousand, four hundred fifty-two".