332120213 has 6 divisors (see below), whose sum is σ = 340420002. Its totient is φ = 324018080.

The previous prime is 332120197. The next prime is 332120249. The reversal of 332120213 is 312021233.

It can be written as a sum of positive squares in 3 ways, for example, as 4401604 + 327718609 = 2098^2 + 18103^2 .

It is not a de Polignac number, because 332120213 - 2⁴ = 332120197 is a prime.

It is a super-2 number, since 2×332120213² = 220607671766330738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332120191 and 332120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332420213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97106 + ... + 100467.

It is an arithmetic number, because the mean of its divisors is an integer number (56736667).

Almost surely, 2^332120213 is an apocalyptic number.

It is an amenable number.

332120213 is a deficient number, since it is larger than the sum of its proper divisors (8299789).

332120213 is an equidigital number, since it uses as much as digits as its factorization.

332120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197655 (or 197614 counting only the distinct ones).

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

The square root of 332120213 is about 18224.1656324782. The cubic root of 332120213 is about 692.5191212295.

Adding to 332120213 its reverse (312021233), we get a palindrome (644141446).

The spelling of 332120213 in words is "three hundred thirty-two million, one hundred twenty thousand, two hundred thirteen".