220212220069 has 2 divisors, whose sum is σ = 220212220070. Its totient is φ = 220212220068.

The previous prime is 220212220021. The next prime is 220212220079. The reversal of 220212220069 is 960022212022.

220212220069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210279107844 + 9933112225 = 458562^2 + 99665^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212220069 - 2¹⁵ = 220212187301 is a prime.

It is a super-2 number, since 2×220212220069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212220009) 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, 110106110034 + 110106110035.

It is an arithmetic number, because the mean of its divisors is an integer number (110106110035).

Almost surely, 2^220212220069 is an apocalyptic number.

It is an amenable number.

220212220069 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212220069 is an equidigital number, since it uses as much as digits as its factorization.

220212220069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 220212220069 in words is "two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, sixty-nine".