2020020020 has 12 divisors (see below), whose sum is σ = 4242042084. Its totient is φ = 808008000.

The previous prime is 2020019999. The next prime is 2020020029. The reversal of 2020020020 is 200200202.

It can be written as a sum of positive squares in 2 ways, for example, as 1084516624 + 935503396 = 32932^2 + 30586^2 .

2020020020 is a modest number, since divided by 20020 gives 2020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500481 + ... + 50500520.

It is an arithmetic number, because the mean of its divisors is an integer number (353503507).

Almost surely, 2^2020020020 is an apocalyptic number.

2020020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020020020 is an abundant number, since it is smaller than the sum of its proper divisors (2222022064).

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

2020020020 is a wasteful number, since it uses less digits than its factorization.

2020020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001010 (or 101001008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2020020020 is about 44944.6328275135. The cubic root of 2020020020 is about 1264.1110409913. Note that the first 3 decimals are identical.

Adding to 2020020020 its reverse (200200202), we get a palindrome (2220220222).

The spelling of 2020020020 in words is "two billion, twenty million, twenty thousand, twenty".