2020201549 has 2 divisors, whose sum is σ = 2020201550. Its totient is φ = 2020201548.

The previous prime is 2020201541. The next prime is 2020201597. The reversal of 2020201549 is 9451020202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105562500 + 914639049 = 33250^2 + 30243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020201549 - 2³ = 2020201541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020201541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010100774 + 1010100775.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100775).

Almost surely, 2^2020201549 is an apocalyptic number.

It is an amenable number.

2020201549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020201549 is an equidigital number, since it uses as much as digits as its factorization.

2020201549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2020201549 is about 44946.6522557576. The cubic root of 2020201549 is about 1264.1489062826.

The spelling of 2020201549 in words is "two billion, twenty million, two hundred one thousand, five hundred forty-nine".