2020202120 has 16 divisors (see below), whose sum is σ = 4545454860. Its totient is φ = 808080832.

The previous prime is 2020202111. The next prime is 2020202131. The reversal of 2020202120 is 212020202.

It can be written as a sum of positive squares in 2 ways, for example, as 1967987044 + 52215076 = 44362^2 + 7226^2 .

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, 25252487 + ... + 25252566.

Almost surely, 2^2020202120 is an apocalyptic number.

2020202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020202120 is an abundant number, since it is smaller than the sum of its proper divisors (2525252740).

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

2020202120 is a wasteful number, since it uses less digits than its factorization.

2020202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505064 (or 50505060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2020202120 is about 44946.6586077319. The cubic root of 2020202120 is about 1264.1490253844.

Adding to 2020202120 its reverse (212020202), we get a palindrome (2232222322).

The spelling of 2020202120 in words is "two billion, twenty million, two hundred two thousand, one hundred twenty".