2020004421 has 16 divisors (see below), whose sum is σ = 2757564480. Its totient is φ = 1314593280.

The previous prime is 2020004377. The next prime is 2020004477. The reversal of 2020004421 is 1244000202.

It is not a de Polignac number, because 2020004421 - 2²² = 2015810117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020004221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298645 + ... + 305333.

It is an arithmetic number, because the mean of its divisors is an integer number (172347780).

Almost surely, 2^2020004421 is an apocalyptic number.

It is an amenable number.

2020004421 is a deficient number, since it is larger than the sum of its proper divisors (737560059).

2020004421 is a wasteful number, since it uses less digits than its factorization.

2020004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2020004421 is about 44944.4592914410. The cubic root of 2020004421 is about 1264.1077870765.

Adding to 2020004421 its reverse (1244000202), we get a palindrome (3264004623).

The spelling of 2020004421 in words is "two billion, twenty million, four thousand, four hundred twenty-one".