220110020257 has 2 divisors, whose sum is σ = 220110020258. Its totient is φ = 220110020256.

The previous prime is 220110020189. The next prime is 220110020327. The reversal of 220110020257 is 752020011022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211725138496 + 8384881761 = 460136^2 + 91569^2 .

It is a cyclic number.

It is not a de Polignac number, because 220110020257 - 2³¹ = 217962536609 is a prime.

It is not a weakly prime, because it can be changed into another prime (220110020857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055010128 + 110055010129.

It is an arithmetic number, because the mean of its divisors is an integer number (110055010129).

Almost surely, 2^220110020257 is an apocalyptic number.

It is an amenable number.

220110020257 is a deficient number, since it is larger than the sum of its proper divisors (1).

220110020257 is an equidigital number, since it uses as much as digits as its factorization.

220110020257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 220110020257 its reverse (752020011022), we get a palindrome (972130031279).

The spelling of 220110020257 in words is "two hundred twenty billion, one hundred ten million, twenty thousand, two hundred fifty-seven".