2020014421 has 4 divisors (see below), whose sum is σ = 2020280652. Its totient is φ = 2019748192.

The previous prime is 2020014419. The next prime is 2020014439. The reversal of 2020014421 is 1244100202.

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 401561521 + 1618452900 = 20039^2 + 40230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020014421 - 2¹ = 2020014419 is a prime.

It is a super-2 number, since 2×2020014421² = 8160916522095930482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020014395 and 2020014404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2060014421) 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, 121390 + ... + 137023.

It is an arithmetic number, because the mean of its divisors is an integer number (505070163).

Almost surely, 2^2020014421 is an apocalyptic number.

It is an amenable number.

2020014421 is a deficient number, since it is larger than the sum of its proper divisors (266231).

2020014421 is an equidigital number, since it uses as much as digits as its factorization.

2020014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266230.

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

The square root of 2020014421 is about 44944.5705397215. The cubic root of 2020014421 is about 1264.1098730550.

Adding to 2020014421 its reverse (1244100202), we get a palindrome (3264114623).

The spelling of 2020014421 in words is "two billion, twenty million, fourteen thousand, four hundred twenty-one".