2020412521 has 2 divisors, whose sum is σ = 2020412522. Its totient is φ = 2020412520.

The previous prime is 2020412503. The next prime is 2020412531. The reversal of 2020412521 is 1252140202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1920192400 + 100220121 = 43820^2 + 10011^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020412521 - 2¹¹ = 2020410473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020412531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010206260 + 1010206261.

It is an arithmetic number, because the mean of its divisors is an integer number (1010206261).

Almost surely, 2^2020412521 is an apocalyptic number.

It is an amenable number.

2020412521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020412521 is an equidigital number, since it uses as much as digits as its factorization.

2020412521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2020412521 is about 44948.9991101026. Note that the first 3 decimals coincide. The cubic root of 2020412521 is about 1264.1929102649.

Adding to 2020412521 its reverse (1252140202), we get a palindrome (3272552723).

The spelling of 2020412521 in words is "two billion, twenty million, four hundred twelve thousand, five hundred twenty-one".