220213 has 8 divisors (see below), whose sum is σ = 254528. Its totient is φ = 186624.

The previous prime is 220189. The next prime is 220217. The reversal of 220213 is 312022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(220213) divides (220213-1)⁴.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220213 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 220213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220217) 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, 1045 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (31816).

2²²⁰²¹³ is an apocalyptic number.

It is an amenable number.

220213 is a deficient number, since it is larger than the sum of its proper divisors (34315).

220213 is a wasteful number, since it uses less digits than its factorization.

220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 220213 is about 469.2685798133. The cubic root of 220213 is about 60.3875835185.

Adding to 220213 its reverse (312022), we get a palindrome (532235).

Subtracting 220213 from its reverse (312022), we obtain a square (91809 = 303²).

The spelling of 220213 in words is "two hundred twenty thousand, two hundred thirteen".