221304141341020 has 24 divisors (see below), whose sum is σ = 484944727113504. Its totient is φ = 84672888860736.

The previous prime is 221304141340981. The next prime is 221304141341021. The reversal of 221304141341020 is 20143141403122.

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 221304141341020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221304141341021) by changing a digit.

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, 240547979259 + ... + 240547980178.

It is an arithmetic number, because the mean of its divisors is an integer number (20206030296396).

Almost surely, 2^{221304141341020} is an apocalyptic number.

221304141341020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221304141341020 is an abundant number, since it is smaller than the sum of its proper divisors (263640585772484).

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

221304141341020 is a wasteful number, since it uses less digits than its factorization.

221304141341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481095959469 (or 481095959467 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 221304141341020 its reverse (20143141403122), we get a palindrome (241447282744142).

The spelling of 221304141341020 in words is "two hundred twenty-one trillion, three hundred four billion, one hundred forty-one million, three hundred forty-one thousand, twenty".