224104012420 has 24 divisors (see below), whose sum is σ = 470693380248. Its totient is φ = 89627328000.

The previous prime is 224104012403. The next prime is 224104012423. The reversal of 224104012420 is 24210401422.

It can be written as a sum of positive squares in 4 ways, for example, as 42239292484 + 181864719936 = 205522^2 + 426456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224104012391 and 224104012400.

It is not an unprimeable number, because it can be changed into a prime (224104012423) 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, 763141 + ... + 1015180.

It is an arithmetic number, because the mean of its divisors is an integer number (19612224177).

Almost surely, 2^224104012420 is an apocalyptic number.

224104012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224104012420 is an abundant number, since it is smaller than the sum of its proper divisors (246589367828).

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

224104012420 is a wasteful number, since it uses less digits than its factorization.

224104012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784631 (or 1784629 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 224104012420 its reverse (24210401422), we get a palindrome (248314413842).

The spelling of 224104012420 in words is "two hundred twenty-four billion, one hundred four million, twelve thousand, four hundred twenty".