224344144020 has 96 divisors (see below), whose sum is σ = 651104391168. Its totient is φ = 57678268032.

The previous prime is 224344144007. The next prime is 224344144027. The reversal of 224344144020 is 20441443422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224344144027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404752 + ... + 782631.

It is an arithmetic number, because the mean of its divisors is an integer number (6782337408).

Almost surely, 2^224344144020 is an apocalyptic number.

224344144020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224344144020 is an abundant number, since it is smaller than the sum of its proper divisors (426760247148).

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

224344144020 is a wasteful number, since it uses less digits than its factorization.

224344144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187509 (or 1187507 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 224344144020 its reverse (20441443422), we get a palindrome (244785587442).

The spelling of 224344144020 in words is "two hundred twenty-four billion, three hundred forty-four million, one hundred forty-four thousand, twenty".