220520223 has 24 divisors (see below), whose sum is σ = 397128576. Its totient is φ = 114555600.

The previous prime is 220520203. The next prime is 220520231. The reversal of 220520223 is 322025022.

It is not a de Polignac number, because 220520223 - 2⁵ = 220520191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220520196 and 220520205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220520203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158413 + ... + 159798.

It is an arithmetic number, because the mean of its divisors is an integer number (16547024).

Almost surely, 2^220520223 is an apocalyptic number.

220520223 is a deficient number, since it is larger than the sum of its proper divisors (176608353).

220520223 is a wasteful number, since it uses less digits than its factorization.

220520223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318235 (or 318232 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 220520223 is about 14849.9233331354. The cubic root of 220520223 is about 604.1565305970.

Adding to 220520223 its reverse (322025022), we get a palindrome (542545245).

It can be divided in two parts, 2205202 and 23, that added together give a square (2205225 = 1485²).

The spelling of 220520223 in words is "two hundred twenty million, five hundred twenty thousand, two hundred twenty-three".