2020024020 has 72 divisors (see below), whose sum is σ = 6579516384. Its totient is φ = 461719104.

The previous prime is 2020024001. The next prime is 2020024021. The reversal of 2020024020 is 204200202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020023987 and 2020024005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020024021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340602 + ... + 346481.

It is an arithmetic number, because the mean of its divisors is an integer number (91382172).

Almost surely, 2^2020024020 is an apocalyptic number.

2020024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020024020 is an abundant number, since it is smaller than the sum of its proper divisors (4559492364).

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

2020024020 is a wasteful number, since it uses less digits than its factorization.

2020024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687109 (or 687100 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2020024020 is about 44944.6773266869. The cubic root of 2020024020 is about 1264.1118753792. Note that the first 3 decimals are identical.

Adding to 2020024020 its reverse (204200202), we get a palindrome (2224224222).

The spelling of 2020024020 in words is "two billion, twenty million, twenty-four thousand, twenty".