220563351 has 8 divisors (see below), whose sum is σ = 326760560. Its totient is φ = 147042216.

The previous prime is 220563349. The next prime is 220563361. The reversal of 220563351 is 153365022.

220563351 is a `hidden beast` number, since 2 + 20 + 5 + 633 + 5 + 1 = 666.

It is not a de Polignac number, because 220563351 - 2¹ = 220563349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8169013 = 220563351 / (2 + 2 + 0 + 5 + 6 + 3 + 3 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220563361) 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, 4084480 + ... + 4084533.

It is an arithmetic number, because the mean of its divisors is an integer number (40845070).

Almost surely, 2^220563351 is an apocalyptic number.

220563351 is a deficient number, since it is larger than the sum of its proper divisors (106197209).

220563351 is an equidigital number, since it uses as much as digits as its factorization.

220563351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169022 (or 8169016 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 220563351 is about 14851.3753908519. The cubic root of 220563351 is about 604.1959137793.

It can be divided in two parts, 2205 and 63351, that added together give a palindrome (65556).

The spelling of 220563351 in words is "two hundred twenty million, five hundred sixty-three thousand, three hundred fifty-one".