2020202121020 has 12 divisors (see below), whose sum is σ = 4242424454184. Its totient is φ = 808080848400.

The previous prime is 2020202121019. The next prime is 2020202121043. The reversal of 2020202121020 is 201212020202.

It is a junction number, because it is equal to n+sod(n) for n = 2020202120986 and 2020202121004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505053006 + ... + 50505053045.

It is an arithmetic number, because the mean of its divisors is an integer number (353535371182).

Almost surely, 2^{2020202121020} is an apocalyptic number.

2020202121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020202121020 is an abundant number, since it is smaller than the sum of its proper divisors (2222222333164).

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

2020202121020 is a wasteful number, since it uses less digits than its factorization.

2020202121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010106060 (or 101010106058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020202121020 its reverse (201212020202), we get a palindrome (2221414141222).

The spelling of 2020202121020 in words is "two trillion, twenty billion, two hundred two million, one hundred twenty-one thousand, twenty".