220370447 has 8 divisors (see below), whose sum is σ = 240931152. Its totient is φ = 199897600.

The previous prime is 220370443. The next prime is 220370471. The reversal of 220370447 is 744073022.

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 220370447 - 2² = 220370443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220370443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16658 + ... + 26799.

It is an arithmetic number, because the mean of its divisors is an integer number (30116394).

Almost surely, 2^220370447 is an apocalyptic number.

220370447 is a deficient number, since it is larger than the sum of its proper divisors (20560705).

220370447 is a wasteful number, since it uses less digits than its factorization.

220370447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43929.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 220370447 is about 14844.8794875539. The cubic root of 220370447 is about 604.0197197997.

The spelling of 220370447 in words is "two hundred twenty million, three hundred seventy thousand, four hundred forty-seven".