220372317 has 48 divisors (see below), whose sum is σ = 370406400. Its totient is φ = 124843680.

The previous prime is 220372307. The next prime is 220372337. The reversal of 220372317 is 713273022.

It is a happy number.

It is not a de Polignac number, because 220372317 - 2¹⁵ = 220339549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220372307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147858 + ... + 149340.

It is an arithmetic number, because the mean of its divisors is an integer number (7716800).

Almost surely, 2^220372317 is an apocalyptic number.

It is an amenable number.

220372317 is a deficient number, since it is larger than the sum of its proper divisors (150034083).

220372317 is a wasteful number, since it uses less digits than its factorization.

220372317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 220372317 is about 14844.9424721014. The cubic root of 220372317 is about 604.0214283072.

The spelling of 220372317 in words is "two hundred twenty million, three hundred seventy-two thousand, three hundred seventeen".