223030022020 has 72 divisors (see below), whose sum is σ = 535806508104. Its totient is φ = 77505429504.

The previous prime is 223030021987. The next prime is 223030022041. The reversal of 223030022020 is 20220030322.

It can be written as a sum of positive squares in 12 ways, for example, as 1535542596 + 221494479424 = 39186^2 + 470632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223030021985 and 223030022003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408957 + ... + 1559236.

It is an arithmetic number, because the mean of its divisors is an integer number (7441757057).

Almost surely, 2^223030022020 is an apocalyptic number.

223030022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223030022020 is an abundant number, since it is smaller than the sum of its proper divisors (312776486084).

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

223030022020 is a wasteful number, since it uses less digits than its factorization.

223030022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968249 (or 2968230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 223030022020 its reverse (20220030322), we get a palindrome (243250052342).

The spelling of 223030022020 in words is "two hundred twenty-three billion, thirty million, twenty-two thousand, twenty".