2020232021 has 4 divisors (see below), whose sum is σ = 2030809344. Its totient is φ = 2009654700.

The previous prime is 2020231999. The next prime is 2020232041. The reversal of 2020232021 is 1202320202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1202320202 = 2 ⋅601160101.

It is a cyclic number.

It is not a de Polignac number, because 2020232021 - 2⁶ = 2020231957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020231987 and 2020232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020232041) 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, 5288375 + ... + 5288756.

It is an arithmetic number, because the mean of its divisors is an integer number (507702336).

Almost surely, 2^2020232021 is an apocalyptic number.

It is an amenable number.

2020232021 is a deficient number, since it is larger than the sum of its proper divisors (10577323).

2020232021 is a wasteful number, since it uses less digits than its factorization.

2020232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577322.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2020232021 is about 44946.9912341193. The cubic root of 2020232021 is about 1264.1552622412.

Adding to 2020232021 its reverse (1202320202), we get a palindrome (3222552223).

The spelling of 2020232021 in words is "two billion, twenty million, two hundred thirty-two thousand, twenty-one".