2443140020 has 12 divisors (see below), whose sum is σ = 5130594084. Its totient is φ = 977256000.

The previous prime is 2443140001. The next prime is 2443140031. The reversal of 2443140020 is 200413442.

It can be written as a sum of positive squares in 2 ways, for example, as 1922296336 + 520843684 = 43844^2 + 22822^2 .

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: 122157001 = 2443140020 / (2 + 4 + 4 + 3 + 1 + 4 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2443139974 and 2443140001.

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, 61078481 + ... + 61078520.

It is an arithmetic number, because the mean of its divisors is an integer number (427549507).

Almost surely, 2^2443140020 is an apocalyptic number.

2443140020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443140020 is an abundant number, since it is smaller than the sum of its proper divisors (2687454064).

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

2443140020 is a wasteful number, since it uses less digits than its factorization.

2443140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122157010 (or 122157008 counting only the distinct ones).

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

The square root of 2443140020 is about 49428.1298452612. The cubic root of 2443140020 is about 1346.8403509550.

Adding to 2443140020 its reverse (200413442), we get a palindrome (2643553462).

The spelling of 2443140020 in words is "two billion, four hundred forty-three million, one hundred forty thousand, twenty".