205305622220010 has 64 divisors (see below), whose sum is σ = 553707203228928. Its totient is φ = 48339517737984.

The previous prime is 205305622219993. The next prime is 205305622220011. The reversal of 205305622220010 is 10022226503502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 205305622220010.

It is not an unprimeable number, because it can be changed into a prime (205305622220011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11444005647 + ... + 11444023586.

It is an arithmetic number, because the mean of its divisors is an integer number (8651675050452).

Almost surely, 2^{205305622220010} is an apocalyptic number.

205305622220010 is an abundant number, since it is smaller than the sum of its proper divisors (348401581008918).

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

205305622220010 is a wasteful number, since it uses less digits than its factorization.

205305622220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888029279.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 205305622220010 its reverse (10022226503502), we get a palindrome (215327848723512).

The spelling of 205305622220010 in words is "two hundred five trillion, three hundred five billion, six hundred twenty-two million, two hundred twenty thousand, ten".