2020448251 has 2 divisors, whose sum is σ = 2020448252. Its totient is φ = 2020448250.

The previous prime is 2020448237. The next prime is 2020448257. The reversal of 2020448251 is 1528440202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020448251 is a prime.

It is a super-2 number, since 2×2020448251² = 8164422269937918002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020448257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010224125 + 1010224126.

It is an arithmetic number, because the mean of its divisors is an integer number (1010224126).

Almost surely, 2^2020448251 is an apocalyptic number.

2020448251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020448251 is an equidigital number, since it uses as much as digits as its factorization.

2020448251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 2020448251 is about 44949.3965587971. The cubic root of 2020448251 is about 1264.2003624306.

Adding to 2020448251 its reverse (1528440202), we get a palindrome (3548888453).

The spelling of 2020448251 in words is "two billion, twenty million, four hundred forty-eight thousand, two hundred fifty-one".