2020024400 has 60 divisors (see below), whose sum is σ = 4859584800. Its totient is φ = 806931840.

The previous prime is 2020024399. The next prime is 2020024403. The reversal of 2020024400 is 44200202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020024403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340661 + ... + 346539.

It is an arithmetic number, because the mean of its divisors is an integer number (80993080).

Almost surely, 2^2020024400 is an apocalyptic number.

2020024400 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 2020024400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429792400).

2020024400 is an abundant number, since it is smaller than the sum of its proper divisors (2839560400).

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

2020024400 is a wasteful number, since it uses less digits than its factorization.

2020024400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2020024400 is about 44944.6815541060. The cubic root of 2020024400 is about 1264.1119546460. Note that the first 3 decimals are identical.

Adding to 2020024400 its reverse (44200202), we get a palindrome (2064224602).

The spelling of 2020024400 in words is "two billion, twenty million, twenty-four thousand, four hundred".