33113320 has 16 divisors (see below), whose sum is σ = 74505060. Its totient is φ = 13245312.

The previous prime is 33113303. The next prime is 33113323. The reversal of 33113320 is 2331133.

It can be written as a sum of positive squares in 2 ways, for example, as 31203396 + 1909924 = 5586^2 + 1382^2 .

It is a super-2 number, since 2×33113320² = 2192983922844800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33113294 and 33113303.

It is not an unprimeable number, because it can be changed into a prime (33113323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413877 + ... + 413956.

Almost surely, 2^33113320 is an apocalyptic number.

It is an amenable number.

33113320 is an abundant number, since it is smaller than the sum of its proper divisors (41391740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33113320 is a wasteful number, since it uses less digits than its factorization.

33113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827844 (or 827840 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 33113320 is about 5754.4174335896. The cubic root of 33113320 is about 321.1201628265.

Adding to 33113320 its reverse (2331133), we get a palindrome (35444453).

It can be divided in two parts, 33113 and 320, that added together give a palindrome (33433).

The spelling of 33113320 in words is "thirty-three million, one hundred thirteen thousand, three hundred twenty".