220000213 has 4 divisors (see below), whose sum is σ = 232941420. Its totient is φ = 207059008.

The previous prime is 220000201. The next prime is 220000237. The reversal of 220000213 is 312000022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312000022 = 2 ⋅156000011.

It can be written as a sum of positive squares in 2 ways, for example, as 126742564 + 93257649 = 11258^2 + 9657^2 .

It is a cyclic number.

It is not a de Polignac number, because 220000213 - 2⁵ = 220000181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000243) 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, 6470578 + ... + 6470611.

It is an arithmetic number, because the mean of its divisors is an integer number (58235355).

Almost surely, 2^220000213 is an apocalyptic number.

It is an amenable number.

220000213 is a deficient number, since it is larger than the sum of its proper divisors (12941207).

220000213 is a wasteful number, since it uses less digits than its factorization.

220000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12941206.

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

The square root of 220000213 is about 14832.4041544181. The cubic root of 220000213 is about 603.6812685041.

Adding to 220000213 its reverse (312000022), we get a palindrome (532000235).

The spelling of 220000213 in words is "two hundred twenty million, two hundred thirteen", and thus it is an aban number.