2020321025 has 6 divisors (see below), whose sum is σ = 2505198102. Its totient is φ = 1616256800.

The previous prime is 2020321019. The next prime is 2020321049. The reversal of 2020321025 is 5201230202.

It can be written as a sum of positive squares in 3 ways, for example, as 13191424 + 2007129601 = 3632^2 + 44801^2 .

It is not a de Polignac number, because 2020321025 - 2⁸ = 2020320769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020320994 and 2020321012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40406396 + ... + 40406445.

It is an arithmetic number, because the mean of its divisors is an integer number (417533017).

Almost surely, 2^2020321025 is an apocalyptic number.

2020321025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020321025 is a deficient number, since it is larger than the sum of its proper divisors (484877077).

2020321025 is an equidigital number, since it uses as much as digits as its factorization.

2020321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80812851 (or 80812846 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2020321025 is about 44947.9813228581. The cubic root of 2020321025 is about 1264.1738266472.

Adding to 2020321025 its reverse (5201230202), we get a palindrome (7221551227).

The spelling of 2020321025 in words is "two billion, twenty million, three hundred twenty-one thousand, twenty-five".