2020221430420 has 12 divisors (see below), whose sum is σ = 4242465003924. Its totient is φ = 808088572160.

The previous prime is 2020221430399. The next prime is 2020221430457. The reversal of 2020221430420 is 240341220202.

It can be written as a sum of positive squares in 2 ways, for example, as 898863271056 + 1121358159364 = 948084^2 + 1058942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020221430391 and 2020221430400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505535741 + ... + 50505535780.

It is an arithmetic number, because the mean of its divisors is an integer number (353538750327).

Almost surely, 2^{2020221430420} is an apocalyptic number.

2020221430420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020221430420 is an abundant number, since it is smaller than the sum of its proper divisors (2222243573504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020221430420 is a wasteful number, since it uses less digits than its factorization.

2020221430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101011071530 (or 101011071528 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2020221430420 its reverse (240341220202), we get a palindrome (2260562650622).

The spelling of 2020221430420 in words is "two trillion, twenty billion, two hundred twenty-one million, four hundred thirty thousand, four hundred twenty".