223032021020 has 48 divisors (see below), whose sum is σ = 490101863328. Its totient is φ = 85163869440.

The previous prime is 223032021019. The next prime is 223032021029. The reversal of 223032021020 is 20120230322.

It is a self number, because there is not a number n which added to its sum of digits gives 223032021020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223032021029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804126 + ... + 2882565.

It is an arithmetic number, because the mean of its divisors is an integer number (10210455486).

Almost surely, 2^223032021020 is an apocalyptic number.

223032021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223032021020 is an abundant number, since it is smaller than the sum of its proper divisors (267069842308).

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

223032021020 is a wasteful number, since it uses less digits than its factorization.

223032021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686790 (or 5686788 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 223032021020 its reverse (20120230322), we get a palindrome (243152251342).

The spelling of 223032021020 in words is "two hundred twenty-three billion, thirty-two million, twenty-one thousand, twenty".