223038020 has 12 divisors (see below), whose sum is σ = 468379884. Its totient is φ = 89215200.

The previous prime is 223038007. The next prime is 223038037. The reversal of 223038020 is 20830322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164301124 + 58736896 = 12818^2 + 7664^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11151901 = 223038020 / (2 + 2 + 3 + 0 + 3 + 8 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 223037983 and 223038001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575931 + ... + 5575970.

It is an arithmetic number, because the mean of its divisors is an integer number (39031657).

Almost surely, 2^223038020 is an apocalyptic number.

223038020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223038020 is an abundant number, since it is smaller than the sum of its proper divisors (245341864).

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

223038020 is a wasteful number, since it uses less digits than its factorization.

223038020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151910 (or 11151908 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 223038020 is about 14934.4574725699. The cubic root of 223038020 is about 606.4471605877.

Adding to 223038020 its reverse (20830322), we get a palindrome (243868342).

The spelling of 223038020 in words is "two hundred twenty-three million, thirty-eight thousand, twenty".