224441100020 has 12 divisors (see below), whose sum is σ = 471326310084. Its totient is φ = 89776440000.

The previous prime is 224441100017. The next prime is 224441100029. The reversal of 224441100020 is 20001144422.

It can be written as a sum of positive squares in 2 ways, for example, as 64868014864 + 159573085156 = 254692^2 + 399466^2 .

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: 11222055001 = 224441100020 / (2 + 2 + 4 + 4 + 4 + 1 + 1 + 0 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 224441099965 and 224441100001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224441100029) 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, 5611027481 + ... + 5611027520.

It is an arithmetic number, because the mean of its divisors is an integer number (39277192507).

Almost surely, 2^224441100020 is an apocalyptic number.

224441100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224441100020 is an abundant number, since it is smaller than the sum of its proper divisors (246885210064).

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

224441100020 is a wasteful number, since it uses less digits than its factorization.

224441100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222055010 (or 11222055008 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 224441100020 its reverse (20001144422), we get a palindrome (244442244442).

The spelling of 224441100020 in words is "two hundred twenty-four billion, four hundred forty-one million, one hundred thousand, twenty".