33320440213 has 16 divisors (see below), whose sum is σ = 34569216000. Its totient is φ = 32078495232.

The previous prime is 33320440211. The next prime is 33320440229. The reversal of 33320440213 is 31204402333.

It is not a de Polignac number, because 33320440213 - 2¹ = 33320440211 is a prime.

It is a super-2 number, since 2×33320440213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320440211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26051308 + ... + 26052586.

It is an arithmetic number, because the mean of its divisors is an integer number (2160576000).

Almost surely, 2^33320440213 is an apocalyptic number.

It is an amenable number.

33320440213 is a deficient number, since it is larger than the sum of its proper divisors (1248775787).

33320440213 is a wasteful number, since it uses less digits than its factorization.

33320440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 33320440213 its reverse (31204402333), we get a palindrome (64524842546).

The spelling of 33320440213 in words is "thirty-three billion, three hundred twenty million, four hundred forty thousand, two hundred thirteen".