220023213 has 16 divisors (see below), whose sum is σ = 307968000. Its totient is φ = 139541040.

The previous prime is 220023143. The next prime is 220023227. The reversal of 220023213 is 312320022.

It is not a de Polignac number, because 220023213 - 2²⁴ = 203245997 is a prime.

It is a super-3 number, since 3×220023213³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220023192 and 220023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023253) 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, 14563 + ... + 25536.

It is an arithmetic number, because the mean of its divisors is an integer number (19248000).

Almost surely, 2^220023213 is an apocalyptic number.

It is an amenable number.

220023213 is a deficient number, since it is larger than the sum of its proper divisors (87944787).

220023213 is a wasteful number, since it uses less digits than its factorization.

220023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40192.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220023213 is about 14833.1794636214. The cubic root of 220023213 is about 603.7023051281.

Adding to 220023213 its reverse (312320022), we get a palindrome (532343235).

The spelling of 220023213 in words is "two hundred twenty million, twenty-three thousand, two hundred thirteen".