33820112 has 10 divisors (see below), whose sum is σ = 65526498. Its totient is φ = 16910048.

The previous prime is 33820099. The next prime is 33820141. The reversal of 33820112 is 21102833.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 15808576 = 4244^2 + 3976^2 .

It is a super-2 number, since 2×33820112² = 2287599951385088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056863 + ... + 1056894.

Almost surely, 2^33820112 is an apocalyptic number.

It is an amenable number.

33820112 is a deficient number, since it is larger than the sum of its proper divisors (31706386).

33820112 is a wasteful number, since it uses less digits than its factorization.

33820112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113765 (or 2113759 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 33820112 is about 5815.5061688558. The cubic root of 33820112 is about 323.3888290568.

Adding to 33820112 its reverse (21102833), we get a palindrome (54922945).

The spelling of 33820112 in words is "thirty-three million, eight hundred twenty thousand, one hundred twelve".