2020321023 has 16 divisors (see below), whose sum is σ = 3079269120. Its totient is φ = 1154212416.

The previous prime is 2020321019. The next prime is 2020321049. The reversal of 2020321023 is 3201230202.

It is not a de Polignac number, because 2020321023 - 2² = 2020321019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020320993 and 2020321011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321223) 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, 127483 + ... + 142451.

It is an arithmetic number, because the mean of its divisors is an integer number (192454320).

Almost surely, 2^2020321023 is an apocalyptic number.

2020321023 is a deficient number, since it is larger than the sum of its proper divisors (1058948097).

2020321023 is a wasteful number, since it uses less digits than its factorization.

2020321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21406.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2020321023 is about 44947.9813006102. The cubic root of 2020321023 is about 1264.1738262301.

Adding to 2020321023 its reverse (3201230202), we get a palindrome (5221551225).

The spelling of 2020321023 in words is "two billion, twenty million, three hundred twenty-one thousand, twenty-three".