2020103321 has 16 divisors (see below), whose sum is σ = 2110686336. Its totient is φ = 1931669376.

The previous prime is 2020103291. The next prime is 2020103329. The reversal of 2020103321 is 1233010202.

It is a happy number.

It is not a de Polignac number, because 2020103321 - 2¹⁰ = 2020102297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020103296 and 2020103305.

It is not an unprimeable number, because it can be changed into a prime (2020103329) 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, 1692701 + ... + 1693893.

It is an arithmetic number, because the mean of its divisors is an integer number (131917896).

Almost surely, 2^2020103321 is an apocalyptic number.

It is an amenable number.

2020103321 is a deficient number, since it is larger than the sum of its proper divisors (90583015).

2020103321 is a wasteful number, since it uses less digits than its factorization.

2020103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2020103321 is about 44945.5595248296. The cubic root of 2020103321 is about 1264.1284171007.

Adding to 2020103321 its reverse (1233010202), we get a palindrome (3253113523).

The spelling of 2020103321 in words is "two billion, twenty million, one hundred three thousand, three hundred twenty-one".