205422155082 has 16 divisors (see below), whose sum is σ = 456493678080. Its totient is φ = 68474051676.

The previous prime is 205422155033. The next prime is 205422155083. The reversal of 205422155082 is 280551224502.

205422155082 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 2 + 21 + 550 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (205422155083) 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, 1902056938 + ... + 1902057045.

It is an arithmetic number, because the mean of its divisors is an integer number (28530854880).

Almost surely, 2^205422155082 is an apocalyptic number.

205422155082 is an abundant number, since it is smaller than the sum of its proper divisors (251071522998).

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

205422155082 is a wasteful number, since it uses less digits than its factorization.

205422155082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804113994 (or 3804113988 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 205422155082 its reverse (280551224502), we get a palindrome (485973379584).

The spelling of 205422155082 in words is "two hundred five billion, four hundred twenty-two million, one hundred fifty-five thousand, eighty-two".