2020240321 has 12 divisors (see below), whose sum is σ = 2223402496. Its totient is φ = 1834260120.

The previous prime is 2020240309. The next prime is 2020240331. The reversal of 2020240321 is 1230420202.

It is a de Polignac number, because none of the positive numbers 2^k-2020240321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020240295 and 2020240304.

It is not an unprimeable number, because it can be changed into a prime (2020240301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89440 + ... + 109726.

Almost surely, 2^2020240321 is an apocalyptic number.

It is an amenable number.

2020240321 is a deficient number, since it is larger than the sum of its proper divisors (203162175).

2020240321 is a wasteful number, since it uses less digits than its factorization.

2020240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132 (or 21121 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2020240321 is about 44947.0835650101. The cubic root of 2020240321 is about 1264.1569934737.

Adding to 2020240321 its reverse (1230420202), we get a palindrome (3250660523).

The spelling of 2020240321 in words is "two billion, twenty million, two hundred forty thousand, three hundred twenty-one".