2020041421 has 2 divisors, whose sum is σ = 2020041422. Its totient is φ = 2020041420.

The previous prime is 2020041409. The next prime is 2020041433. The reversal of 2020041421 is 1241400202.

It is a balanced prime because it is at equal distance from previous prime (2020041409) and next prime (2020041433).

It can be written as a sum of positive squares in only one way, i.e., 1515544900 + 504496521 = 38930^2 + 22461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020041421 - 2⁵ = 2020041389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020041395 and 2020041404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020041481) by changing a digit.

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 as a sum of consecutive naturals, namely, 1010020710 + 1010020711.

It is an arithmetic number, because the mean of its divisors is an integer number (1010020711).

Almost surely, 2^2020041421 is an apocalyptic number.

It is an amenable number.

2020041421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020041421 is an equidigital number, since it uses as much as digits as its factorization.

2020041421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2020041421 is about 44944.8709087033. The cubic root of 2020041421 is about 1264.1155051624.

Adding to 2020041421 its reverse (1241400202), we get a palindrome (3261441623).

The spelling of 2020041421 in words is "two billion, twenty million, forty-one thousand, four hundred twenty-one".