2020323251 has 4 divisors (see below), whose sum is σ = 2089989600. Its totient is φ = 1950656904.

The previous prime is 2020323211. The next prime is 2020323259. The reversal of 2020323251 is 1523230202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020323251 - 2¹⁸ = 2020061107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020323259) 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, 34833131 + ... + 34833188.

It is an arithmetic number, because the mean of its divisors is an integer number (522497400).

Almost surely, 2^2020323251 is an apocalyptic number.

2020323251 is a deficient number, since it is larger than the sum of its proper divisors (69666349).

2020323251 is an equidigital number, since it uses as much as digits as its factorization.

2020323251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69666348.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2020323251 is about 44948.0060848087. The cubic root of 2020323251 is about 1264.1742909381.

Adding to 2020323251 its reverse (1523230202), we get a palindrome (3543553453).

The spelling of 2020323251 in words is "two billion, twenty million, three hundred twenty-three thousand, two hundred fifty-one".