2443131020 has 48 divisors (see below), whose sum is σ = 5623623936. Its totient is φ = 884184000.

The previous prime is 2443131007. The next prime is 2443131037. The reversal of 2443131020 is 201313442.

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 = 2443130983 and 2443131001.

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, 20105 + ... + 72735.

It is an arithmetic number, because the mean of its divisors is an integer number (117158832).

Almost surely, 2^2443131020 is an apocalyptic number.

2443131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2443131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811811968).

2443131020 is an abundant number, since it is smaller than the sum of its proper divisors (3180492916).

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

2443131020 is a wasteful number, since it uses less digits than its factorization.

2443131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52862 (or 52860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2443131020 is about 49428.0388039016. The cubic root of 2443131020 is about 1346.8386971300.

Adding to 2443131020 its reverse (201313442), we get a palindrome (2644444462).

The spelling of 2443131020 in words is "two billion, four hundred forty-three million, one hundred thirty-one thousand, twenty".