2090220361 has 2 divisors, whose sum is σ = 2090220362. Its totient is φ = 2090220360.

The previous prime is 2090220337. The next prime is 2090220383. The reversal of 2090220361 is 1630220902.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1687977225 + 402243136 = 41085^2 + 20056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090220361 - 2¹⁷ = 2090089289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2090220061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045110180 + 1045110181.

It is an arithmetic number, because the mean of its divisors is an integer number (1045110181).

Almost surely, 2^2090220361 is an apocalyptic number.

It is an amenable number.

2090220361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090220361 is an equidigital number, since it uses as much as digits as its factorization.

2090220361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2090220361 is about 45718.9278198866. The cubic root of 2090220361 is about 1278.5881978317.

The spelling of 2090220361 in words is "two billion, ninety million, two hundred twenty thousand, three hundred sixty-one".