220706027761 has 2 divisors, whose sum is σ = 220706027762. Its totient is φ = 220706027760.

The previous prime is 220706027743. The next prime is 220706027771. The reversal of 220706027761 is 167720607022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220565486736 + 140541025 = 469644^2 + 11855^2 .

It is a cyclic number.

It is not a de Polignac number, because 220706027761 - 2¹¹ = 220706025713 is a prime.

It is a super-2 number, since 2×220706027761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220706027771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110353013880 + 110353013881.

It is an arithmetic number, because the mean of its divisors is an integer number (110353013881).

Almost surely, 2^220706027761 is an apocalyptic number.

It is an amenable number.

220706027761 is a deficient number, since it is larger than the sum of its proper divisors (1).

220706027761 is an equidigital number, since it uses as much as digits as its factorization.

220706027761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 220706027761 in words is "two hundred twenty billion, seven hundred six million, twenty-seven thousand, seven hundred sixty-one".