224280404020 has 48 divisors (see below), whose sum is σ = 479126894400. Its totient is φ = 88163043840.

The previous prime is 224280404011. The next prime is 224280404021. The reversal of 224280404020 is 20404082422.

It is a self number, because there is not a number n which added to its sum of digits gives 224280404020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224280404021) 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, 3816460 + ... + 3874780.

It is an arithmetic number, because the mean of its divisors is an integer number (9981810300).

Almost surely, 2^224280404020 is an apocalyptic number.

224280404020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224280404020 is an abundant number, since it is smaller than the sum of its proper divisors (254846490380).

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

224280404020 is a wasteful number, since it uses less digits than its factorization.

224280404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61648 (or 61646 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 224280404020 its reverse (20404082422), we get a palindrome (244684486442).

The spelling of 224280404020 in words is "two hundred twenty-four billion, two hundred eighty million, four hundred four thousand, twenty".