33420112 has 20 divisors (see below), whose sum is σ = 70638336. Its totient is φ = 15190880.

The previous prime is 33420109. The next prime is 33420161. The reversal of 33420112 is 21102433.

It is a happy number.

It is a super-2 number, since 2×33420112² = 2233807772185088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94768 + ... + 95119.

Almost surely, 2^33420112 is an apocalyptic number.

It is an amenable number.

33420112 is an abundant number, since it is smaller than the sum of its proper divisors (37218224).

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

33420112 is a wasteful number, since it uses less digits than its factorization.

33420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189906 (or 189900 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33420112 is about 5781.0130600095. The cubic root of 33420112 is about 322.1088324683.

Adding to 33420112 its reverse (21102433), we get a palindrome (54522545).

The spelling of 33420112 in words is "thirty-three million, four hundred twenty thousand, one hundred twelve".