2020445201 has 2 divisors, whose sum is σ = 2020445202. Its totient is φ = 2020445200.

The previous prime is 2020445197. The next prime is 2020445221. The reversal of 2020445201 is 1025440202.

It is a happy number.

It is an a-pointer prime, because the next prime (2020445221) can be obtained adding 2020445201 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1813056400 + 207388801 = 42580^2 + 14401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020445201 - 2² = 2020445197 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020445221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010222600 + 1010222601.

It is an arithmetic number, because the mean of its divisors is an integer number (1010222601).

Almost surely, 2^2020445201 is an apocalyptic number.

It is an amenable number.

2020445201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020445201 is an equidigital number, since it uses as much as digits as its factorization.

2020445201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2020445201 is about 44949.3626317437. The cubic root of 2020445201 is about 1264.1997262990.

Adding to 2020445201 its reverse (1025440202), we get a palindrome (3045885403).

The spelling of 2020445201 in words is "two billion, twenty million, four hundred forty-five thousand, two hundred one".