220220220442049 has 2 divisors, whose sum is σ = 220220220442050. Its totient is φ = 220220220442048.

The previous prime is 220220220442031. The next prime is 220220220442109. The reversal of 220220220442049 is 940244022022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217393114482049 + 2827105960000 = 14744257^2 + 1681400^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220220442049 - 2³⁶ = 220151500965313 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220240442049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110110221024 + 110110110221025.

It is an arithmetic number, because the mean of its divisors is an integer number (110110110221025).

Almost surely, 2^{220220220442049} is an apocalyptic number.

It is an amenable number.

220220220442049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220220442049 is an equidigital number, since it uses as much as digits as its factorization.

220220220442049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 220220220442049 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred twenty million, four hundred forty-two thousand, forty-nine".