4344021020 has 12 divisors (see below), whose sum is σ = 9122444184. Its totient is φ = 1737608400.

The previous prime is 4344020969. The next prime is 4344021029. The reversal of 4344021020 is 201204434.

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: 217201051 = 4344021020 / (4 + 3 + 4 + 4 + 0 + 2 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4344020983 and 4344021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108600506 + ... + 108600545.

It is an arithmetic number, because the mean of its divisors is an integer number (760203682).

Almost surely, 2^4344021020 is an apocalyptic number.

It is an amenable number.

4344021020 is an abundant number, since it is smaller than the sum of its proper divisors (4778423164).

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

4344021020 is a wasteful number, since it uses less digits than its factorization.

4344021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217201060 (or 217201058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4344021020 is about 65909.1876751641. The cubic root of 4344021020 is about 1631.6636532721.

Adding to 4344021020 its reverse (201204434), we get a palindrome (4545225454).

The spelling of 4344021020 in words is "four billion, three hundred forty-four million, twenty-one thousand, twenty".