220667478667207 has 16 divisors (see below), whose sum is σ = 259255614901248. Its totient is φ = 185168431075680.

The previous prime is 220667478667021. The next prime is 220667478667261. The reversal of 220667478667207 is 702766874766022.

It is not a de Polignac number, because 220667478667207 - 2²⁷ = 220667344449479 is a prime.

It is a super-2 number, since 2×220667478667207² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220667478667277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25723983 + ... + 33212320.

It is an arithmetic number, because the mean of its divisors is an integer number (16203475931328).

Almost surely, 2^{220667478667207} is an apocalyptic number.

220667478667207 is a deficient number, since it is larger than the sum of its proper divisors (38588136234041).

220667478667207 is a wasteful number, since it uses less digits than its factorization.

220667478667207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58962510.

The product of its (nonzero) digits is 796594176, while the sum is 70.

The spelling of 220667478667207 in words is "two hundred twenty trillion, six hundred sixty-seven billion, four hundred seventy-eight million, six hundred sixty-seven thousand, two hundred seven".