223221032020 has 96 divisors (see below), whose sum is σ = 547453025280. Its totient is φ = 74860208640.

The previous prime is 223221031993. The next prime is 223221032029. The reversal of 223221032020 is 20230122322.

It is a super-3 number, since 3×223221032020³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221032029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12236266 + ... + 12254494.

It is an arithmetic number, because the mean of its divisors is an integer number (5702635680).

Almost surely, 2^223221032020 is an apocalyptic number.

223221032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223221032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273726512640).

223221032020 is an abundant number, since it is smaller than the sum of its proper divisors (324231993260).

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

223221032020 is a wasteful number, since it uses less digits than its factorization.

223221032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20153 (or 20151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 223221032020 its reverse (20230122322), we get a palindrome (243451154342).

The spelling of 223221032020 in words is "two hundred twenty-three billion, two hundred twenty-one million, thirty-two thousand, twenty".