2443300020 has 144 divisors (see below), whose sum is σ = 8557855488. Its totient is φ = 552683520.

The previous prime is 2443300009. The next prime is 2443300021. The reversal of 2443300020 is 200033442.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2443299966 and 2443300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443300021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112225 + ... + 132215.

It is an arithmetic number, because the mean of its divisors is an integer number (59429552).

Almost surely, 2^2443300020 is an apocalyptic number.

2443300020 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 2443300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4278927744).

2443300020 is an abundant number, since it is smaller than the sum of its proper divisors (6114555468).

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

2443300020 is a wasteful number, since it uses less digits than its factorization.

2443300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110 (or 20105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2443300020 is about 49429.7483303324. The cubic root of 2443300020 is about 1346.8697516102.

Adding to 2443300020 its reverse (200033442), we get a palindrome (2643333462).

The spelling of 2443300020 in words is "two billion, four hundred forty-three million, three hundred thousand, twenty".