1220673420317 has 8 divisors (see below), whose sum is σ = 1314601271256. Its totient is φ = 1126749840192.

The previous prime is 1220673420259. The next prime is 1220673420341. The reversal of 1220673420317 is 7130243760221.

It can be written as a sum of positive squares in 4 ways, for example, as 4904761156 + 1215768659161 = 70034^2 + 1102619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220673420317 - 2¹⁴ = 1220673403933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220673420377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461318 + ... + 1629159.

It is an arithmetic number, because the mean of its divisors is an integer number (164325158907).

Almost surely, 2^{1220673420317} is an apocalyptic number.

It is an amenable number.

1220673420317 is a deficient number, since it is larger than the sum of its proper divisors (93927850939).

1220673420317 is a wasteful number, since it uses less digits than its factorization.

1220673420317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135407.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 1220673420317 in words is "one trillion, two hundred twenty billion, six hundred seventy-three million, four hundred twenty thousand, three hundred seventeen".