220005213 has 4 divisors (see below), whose sum is σ = 293340288. Its totient is φ = 146670140.

The previous prime is 220005197. The next prime is 220005217. The reversal of 220005213 is 312500022.

220005213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220005213 - 2⁴ = 220005197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220005192 and 220005201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220005217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36667533 + ... + 36667538.

It is an arithmetic number, because the mean of its divisors is an integer number (73335072).

Almost surely, 2^220005213 is an apocalyptic number.

It is an amenable number.

220005213 is a deficient number, since it is larger than the sum of its proper divisors (73335075).

220005213 is an equidigital number, since it uses as much as digits as its factorization.

220005213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73335074.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 220005213 is about 14832.5727033445. The cubic root of 220005213 is about 603.6858418079.

Adding to 220005213 its reverse (312500022), we get a palindrome (532505235).

The spelling of 220005213 in words is "two hundred twenty million, five thousand, two hundred thirteen".