221433022230020 has 24 divisors (see below), whose sum is σ = 475823517537984. Its totient is φ = 86513366824416.

The previous prime is 221433022229989. The next prime is 221433022230029. The reversal of 221433022230020 is 20032220334122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221433022230029) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 128740128344 + ... + 128740130063.

It is an arithmetic number, because the mean of its divisors is an integer number (19825979897416).

Almost surely, 2^{221433022230020} is an apocalyptic number.

221433022230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221433022230020 is an abundant number, since it is smaller than the sum of its proper divisors (254390495307964).

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

221433022230020 is a wasteful number, since it uses less digits than its factorization.

221433022230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257480258459 (or 257480258457 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 221433022230020 its reverse (20032220334122), we get a palindrome (241465242564142).

The spelling of 221433022230020 in words is "two hundred twenty-one trillion, four hundred thirty-three billion, twenty-two million, two hundred thirty thousand, twenty".