221032223303420 has 24 divisors (see below), whose sum is σ = 464192395005024. Its totient is φ = 88408179594176.

The previous prime is 221032223303417. The next prime is 221032223303467. The reversal of 221032223303420 is 24303322230122.

221032223303420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293973104 + ... + 294724023.

It is an arithmetic number, because the mean of its divisors is an integer number (19341349791876).

Almost surely, 2^{221032223303420} is an apocalyptic number.

221032223303420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221032223303420 is an abundant number, since it is smaller than the sum of its proper divisors (243160171701604).

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

221032223303420 is a wasteful number, since it uses less digits than its factorization.

221032223303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588715909 (or 588715907 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 221032223303420 its reverse (24303322230122), we get a palindrome (245335545533542).

The spelling of 221032223303420 in words is "two hundred twenty-one trillion, thirty-two billion, two hundred twenty-three million, three hundred three thousand, four hundred twenty".