224000020 has 12 divisors (see below), whose sum is σ = 470400084. Its totient is φ = 89600000.

The previous prime is 223999903. The next prime is 224000047. The reversal of 224000020 is 20000422.

It is a happy number.

224000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112232836 + 111767184 = 10594^2 + 10572^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 223999970 and 224000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5599981 + ... + 5600020.

It is an arithmetic number, because the mean of its divisors is an integer number (39200007).

Almost surely, 2^224000020 is an apocalyptic number.

224000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224000020 is an abundant number, since it is smaller than the sum of its proper divisors (246400064).

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

224000020 is a wasteful number, since it uses less digits than its factorization.

224000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200010 (or 11200008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 224000020 is about 14966.6302152489. The cubic root of 224000020 is about 607.3178124501.

Adding to 224000020 its reverse (20000422), we get a palindrome (244000442).

The spelling of 224000020 in words is "two hundred twenty-four million, twenty", and thus it is an aban number.