1220170063 has 16 divisors (see below), whose sum is σ = 1469387520. Its totient is φ = 989793216.

The previous prime is 1220170057. The next prime is 1220170067. The reversal of 1220170063 is 3600710221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220170063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220170067) 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, 141720 + ... + 150082.

It is an arithmetic number, because the mean of its divisors is an integer number (91836720).

Almost surely, 2^1220170063 is an apocalyptic number.

1220170063 is a deficient number, since it is larger than the sum of its proper divisors (249217457).

1220170063 is a wasteful number, since it uses less digits than its factorization.

1220170063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1220170063 is about 34930.9327530772. The cubic root of 1220170063 is about 1068.5793773971.

Adding to 1220170063 its reverse (3600710221), we get a palindrome (4820880284).

The spelling of 1220170063 in words is "one billion, two hundred twenty million, one hundred seventy thousand, sixty-three".