224403020 has 12 divisors (see below), whose sum is σ = 471246384. Its totient is φ = 89761200.

The previous prime is 224402993. The next prime is 224403029. The reversal of 224403020 is 20304422.

It is a self number, because there is not a number n which added to its sum of digits gives 224403020.

It is not an unprimeable number, because it can be changed into a prime (224403029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610056 + ... + 5610095.

It is an arithmetic number, because the mean of its divisors is an integer number (39270532).

Almost surely, 2^224403020 is an apocalyptic number.

224403020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224403020 is an abundant number, since it is smaller than the sum of its proper divisors (246843364).

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

224403020 is a wasteful number, since it uses less digits than its factorization.

224403020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220160 (or 11220158 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 224403020 is about 14980.0874496780. The cubic root of 224403020 is about 607.6818041562.

Adding to 224403020 its reverse (20304422), we get a palindrome (244707442).

The spelling of 224403020 in words is "two hundred twenty-four million, four hundred three thousand, twenty".