212020202020 has 48 divisors (see below), whose sum is σ = 485754091200. Its totient is φ = 77092686720.

The previous prime is 212020202011. The next prime is 212020202077. The reversal of 212020202020 is 20202020212.

212020202020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212020202020² (a number of 23 digits) contains 22 as substring.

212020202020 is a modest number, since divided by 20202020 gives 2120 as remainder.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4169911 + ... + 4220449.

It is an arithmetic number, because the mean of its divisors is an integer number (10119876900).

Almost surely, 2^212020202020 is an apocalyptic number.

212020202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020202020 is an abundant number, since it is smaller than the sum of its proper divisors (273733889180).

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

212020202020 is a wasteful number, since it uses less digits than its factorization.

212020202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69628 (or 69626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 212020202020 its reverse (20202020212), we get a palindrome (232222222232).

The spelling of 212020202020 in words is "two hundred twelve billion, twenty million, two hundred two thousand, twenty".