2020220120291 has 2 divisors, whose sum is σ = 2020220120292. Its totient is φ = 2020220120290.

The previous prime is 2020220120257. The next prime is 2020220120377. The reversal of 2020220120291 is 1920210220202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020220120291 - 2¹⁸ = 2020219858147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020220120791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110060145 + 1010110060146.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110060146).

Almost surely, 2^{2020220120291} is an apocalyptic number.

2020220120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020220120291 is an equidigital number, since it uses as much as digits as its factorization.

2020220120291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2020220120291 its reverse (1920210220202), we get a palindrome (3940430340493).

The spelling of 2020220120291 in words is "two trillion, twenty billion, two hundred twenty million, one hundred twenty thousand, two hundred ninety-one".