1220020020067 has 2 divisors, whose sum is σ = 1220020020068. Its totient is φ = 1220020020066.

The previous prime is 1220020020041. The next prime is 1220020020119. The reversal of 1220020020067 is 7600200200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220020020067 - 2¹⁵ = 1220019987299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220020030067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610010010033 + 610010010034.

It is an arithmetic number, because the mean of its divisors is an integer number (610010010034).

Almost surely, 2^{1220020020067} is an apocalyptic number.

1220020020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220020020067 is an equidigital number, since it uses as much as digits as its factorization.

1220020020067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 1220020020067 its reverse (7600200200221), we get a palindrome (8820220220288).

The spelling of 1220020020067 in words is "one trillion, two hundred twenty billion, twenty million, twenty thousand, sixty-seven".