205102443022 has 4 divisors (see below), whose sum is σ = 307653664536. Its totient is φ = 102551221510.

The previous prime is 205102443017. The next prime is 205102443053. The reversal of 205102443022 is 220344201502.

205102443022 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.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51275610754 + ... + 51275610757.

It is an arithmetic number, because the mean of its divisors is an integer number (76913416134).

Almost surely, 2^205102443022 is an apocalyptic number.

205102443022 is a deficient number, since it is larger than the sum of its proper divisors (102551221514).

205102443022 is a wasteful number, since it uses less digits than its factorization.

205102443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102551221513.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 205102443022 its reverse (220344201502), we get a palindrome (425446644524).

The spelling of 205102443022 in words is "two hundred five billion, one hundred two million, four hundred forty-three thousand, twenty-two".