223010420 has 24 divisors (see below), whose sum is σ = 495870984. Its totient is φ = 83956736.

The previous prime is 223010407. The next prime is 223010423. The reversal of 223010420 is 24010322.

It can be written as a sum of positive squares in 4 ways, for example, as 77228944 + 145781476 = 8788^2 + 12074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223010395 and 223010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223010423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327617 + ... + 328296.

It is an arithmetic number, because the mean of its divisors is an integer number (20661291).

Almost surely, 2^223010420 is an apocalyptic number.

223010420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223010420 is an abundant number, since it is smaller than the sum of its proper divisors (272860564).

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

223010420 is a wasteful number, since it uses less digits than its factorization.

223010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655939 (or 655937 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 223010420 is about 14933.5334063978. The cubic root of 223010420 is about 606.4221444760.

Adding to 223010420 its reverse (24010322), we get a palindrome (247020742).

The spelling of 223010420 in words is "two hundred twenty-three million, ten thousand, four hundred twenty".