2020121210020 has 12 divisors (see below), whose sum is σ = 4242254541084. Its totient is φ = 808048484000.

The previous prime is 2020121209991. The next prime is 2020121210071. The reversal of 2020121210020 is 200121210202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1601095438336 + 419025771684 = 1265344^2 + 647322^2 .

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, 50503030231 + ... + 50503030270.

It is an arithmetic number, because the mean of its divisors is an integer number (353521211757).

Almost surely, 2^{2020121210020} is an apocalyptic number.

2020121210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020121210020 is an abundant number, since it is smaller than the sum of its proper divisors (2222133331064).

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

2020121210020 is a wasteful number, since it uses less digits than its factorization.

2020121210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101006060510 (or 101006060508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020121210020 its reverse (200121210202), we get a palindrome (2220242420222).

The spelling of 2020121210020 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred ten thousand, twenty".