2020222222261 has 2 divisors, whose sum is σ = 2020222222262. Its totient is φ = 2020222222260.

The previous prime is 2020222222171. The next prime is 2020222222283. The reversal of 2020222222261 is 1622222220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231864691236 + 788357531025 = 1109894^2 + 887895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020222222261 - 2¹⁷ = 2020222091189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020222228261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111111130 + 1010111111131.

It is an arithmetic number, because the mean of its divisors is an integer number (1010111111131).

Almost surely, 2^{2020222222261} is an apocalyptic number.

It is an amenable number.

2020222222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020222222261 is an equidigital number, since it uses as much as digits as its factorization.

2020222222261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2020222222261 its reverse (1622222220202), we get a palindrome (3642444442463).

The spelling of 2020222222261 in words is "two trillion, twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred sixty-one".