220386683669 has 4 divisors (see below), whose sum is σ = 220409299500. Its totient is φ = 220364067840.

The previous prime is 220386683653. The next prime is 220386683687. The reversal of 220386683669 is 966386683022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41172468100 + 179214215569 = 202910^2 + 423337^2 .

It is a cyclic number.

It is not a de Polignac number, because 220386683669 - 2⁴ = 220386683653 is a prime.

It is a super-2 number, since 2×220386683669² (a number of 23 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 (220386685669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11293292 + ... + 11312789.

It is an arithmetic number, because the mean of its divisors is an integer number (55102324875).

Almost surely, 2^220386683669 is an apocalyptic number.

It is an amenable number.

220386683669 is a deficient number, since it is larger than the sum of its proper divisors (22615831).

220386683669 is an equidigital number, since it uses as much as digits as its factorization.

220386683669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22615830.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 220386683669 in words is "two hundred twenty billion, three hundred eighty-six million, six hundred eighty-three thousand, six hundred sixty-nine".