1305441112220 has 96 divisors (see below), whose sum is σ = 3424367923200. Its totient is φ = 407662801920.

The previous prime is 1305441112159. The next prime is 1305441112223. The reversal of 1305441112220 is 222111445031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1305441112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305441112223) 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, 8773070 + ... + 8920629.

It is an arithmetic number, because the mean of its divisors is an integer number (35670499200).

Almost surely, 2^{1305441112220} is an apocalyptic number.

1305441112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305441112220 is an abundant number, since it is smaller than the sum of its proper divisors (2118926810980).

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

1305441112220 is a wasteful number, since it uses less digits than its factorization.

1305441112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693763 (or 17693761 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1305441112220 its reverse (222111445031), we get a palindrome (1527552557251).

The spelling of 1305441112220 in words is "one trillion, three hundred five billion, four hundred forty-one million, one hundred twelve thousand, two hundred twenty".