220011073 has 2 divisors, whose sum is σ = 220011074. Its totient is φ = 220011072.

The previous prime is 220011067. The next prime is 220011083. The reversal of 220011073 is 370110022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175615504 + 44395569 = 13252^2 + 6663^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011073 - 2²¹ = 217913921 is a prime.

It is a super-2 number, since 2×220011073² = 96809744485222658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220011083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005536 + 110005537.

It is an arithmetic number, because the mean of its divisors is an integer number (110005537).

Almost surely, 2^220011073 is an apocalyptic number.

It is an amenable number.

220011073 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011073 is an equidigital number, since it uses as much as digits as its factorization.

220011073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 220011073 is about 14832.7702402484. The cubic root of 220011073 is about 603.6912016319.

Adding to 220011073 its reverse (370110022), we get a palindrome (590121095).

The spelling of 220011073 in words is "two hundred twenty million, eleven thousand, seventy-three".