224303040020 has 48 divisors (see below), whose sum is σ = 471691382400. Its totient is φ = 89596565376.

The previous prime is 224303039999. The next prime is 224303040061. The reversal of 224303040020 is 20040303422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 224303039974 and 224303040001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83104631 + ... + 83107329.

It is an arithmetic number, because the mean of its divisors is an integer number (9826903800).

Almost surely, 2^224303040020 is an apocalyptic number.

224303040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224303040020 is an abundant number, since it is smaller than the sum of its proper divisors (247388342380).

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

224303040020 is a wasteful number, since it uses less digits than its factorization.

224303040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944 (or 6942 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 224303040020 its reverse (20040303422), we get a palindrome (244343343442).

The spelling of 224303040020 in words is "two hundred twenty-four billion, three hundred three million, forty thousand, twenty".