220032203161 has 2 divisors, whose sum is σ = 220032203162. Its totient is φ = 220032203160.

The previous prime is 220032203143. The next prime is 220032203219. The reversal of 220032203161 is 161302230022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181864719936 + 38167483225 = 426456^2 + 195365^2 .

It is a cyclic number.

It is not a de Polignac number, because 220032203161 - 2¹³ = 220032194969 is a prime.

It is not a weakly prime, because it can be changed into another prime (220032203761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110016101580 + 110016101581.

It is an arithmetic number, because the mean of its divisors is an integer number (110016101581).

Almost surely, 2^220032203161 is an apocalyptic number.

It is an amenable number.

220032203161 is a deficient number, since it is larger than the sum of its proper divisors (1).

220032203161 is an equidigital number, since it uses as much as digits as its factorization.

220032203161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 220032203161 its reverse (161302230022), we get a palindrome (381334433183).

The spelling of 220032203161 in words is "two hundred twenty billion, thirty-two million, two hundred three thousand, one hundred sixty-one".