220020067 has 2 divisors, whose sum is σ = 220020068. Its totient is φ = 220020066.

The previous prime is 220020061. The next prime is 220020079. The reversal of 220020067 is 760020022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220020067 - 2⁷ = 220019939 is a prime.

It is not a weakly prime, because it can be changed into another prime (220020061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010033 + 110010034.

It is an arithmetic number, because the mean of its divisors is an integer number (110010034).

Almost surely, 2^220020067 is an apocalyptic number.

220020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020067 is an equidigital number, since it uses as much as digits as its factorization.

220020067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 220020067 is about 14833.0734171985. The cubic root of 220020067 is about 603.6994277704.

Adding to 220020067 its reverse (760020022), we get a palindrome (980040089).

The spelling of 220020067 in words is "two hundred twenty million, twenty thousand, sixty-seven".