220213331 has 4 divisors (see below), whose sum is σ = 237152832. Its totient is φ = 203273832.

The previous prime is 220213313. The next prime is 220213349. The reversal of 220213331 is 133312022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220213313) and next prime (220213349).

It is a cyclic number.

It is not a de Polignac number, because 220213331 - 2⁶ = 220213267 is a prime.

It is a super-2 number, since 2×220213331² = 96987822300231122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220213361) 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, 8469731 + ... + 8469756.

It is an arithmetic number, because the mean of its divisors is an integer number (59288208).

Almost surely, 2^220213331 is an apocalyptic number.

220213331 is a deficient number, since it is larger than the sum of its proper divisors (16939501).

220213331 is a wasteful number, since it uses less digits than its factorization.

220213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939500.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 220213331 is about 14839.5866182317. The cubic root of 220213331 is about 603.8761377447.

Adding to 220213331 its reverse (133312022), we get a palindrome (353525353).

It can be divided in two parts, 22021 and 3331, that added together give a palindrome (25352).

The spelling of 220213331 in words is "two hundred twenty million, two hundred thirteen thousand, three hundred thirty-one".