33420412 has 24 divisors (see below), whose sum is σ = 61986960. Its totient is φ = 15738240.

The previous prime is 33420407. The next prime is 33420451. The reversal of 33420412 is 21402433.

It is a super-2 number, since 2×33420412² = 2233847876499488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33420412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (2582790).

Almost surely, 2^33420412 is an apocalyptic number.

It is an amenable number.

33420412 is a deficient number, since it is larger than the sum of its proper divisors (28566548).

33420412 is a wasteful number, since it uses less digits than its factorization.

33420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101 (or 7099 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 33420412 is about 5781.0390069606. The cubic root of 33420412 is about 322.1097962827.

Adding to 33420412 its reverse (21402433), we get a palindrome (54822845).

The spelling of 33420412 in words is "thirty-three million, four hundred twenty thousand, four hundred twelve".