2020131023 has 4 divisors (see below), whose sum is σ = 2021022048. Its totient is φ = 2019240000.

The previous prime is 2020131011. The next prime is 2020131037. The reversal of 2020131023 is 3201310202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201310202 = 2 ⋅1600655101.

It is a cyclic number.

It is not a de Polignac number, because 2020131023 - 2⁴ = 2020131007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020130989 and 2020131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020131923) 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, 442103 + ... + 446648.

It is an arithmetic number, because the mean of its divisors is an integer number (505255512).

Almost surely, 2^2020131023 is an apocalyptic number.

2020131023 is a deficient number, since it is larger than the sum of its proper divisors (891025).

2020131023 is an equidigital number, since it uses as much as digits as its factorization.

2020131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891024.

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

The square root of 2020131023 is about 44945.8676965970. The cubic root of 2020131023 is about 1264.1341954727.

Adding to 2020131023 its reverse (3201310202), we get a palindrome (5221441225).

The spelling of 2020131023 in words is "two billion, twenty million, one hundred thirty-one thousand, twenty-three".