2020210012021 has 4 divisors (see below), whose sum is σ = 2024875624492. Its totient is φ = 2015544399552.

The previous prime is 2020210012001. The next prime is 2020210012033. The reversal of 2020210012021 is 1202100120202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 415491111396 + 1604718900625 = 644586^2 + 1266775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020210012021 - 2²³ = 2020201623413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020210011992 and 2020210012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020210012001) 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, 2332805586 + ... + 2332806451.

It is an arithmetic number, because the mean of its divisors is an integer number (506218906123).

Almost surely, 2^{2020210012021} is an apocalyptic number.

It is an amenable number.

2020210012021 is a deficient number, since it is larger than the sum of its proper divisors (4665612471).

2020210012021 is an equidigital number, since it uses as much as digits as its factorization.

2020210012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665612470.

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

Adding to 2020210012021 its reverse (1202100120202), we get a palindrome (3222310132223).

The spelling of 2020210012021 in words is "two trillion, twenty billion, two hundred ten million, twelve thousand, twenty-one".