33356420 has 12 divisors (see below), whose sum is σ = 70048524. Its totient is φ = 13342560.

The previous prime is 33356387. The next prime is 33356443. The reversal of 33356420 is 2465333.

It can be written as a sum of positive squares in 2 ways, for example, as 25381444 + 7974976 = 5038^2 + 2824^2 .

It is a super-2 number, since 2×33356420² = 2225301510432800, 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 33356420.

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, 833891 + ... + 833930.

It is an arithmetic number, because the mean of its divisors is an integer number (5837377).

Almost surely, 2^33356420 is an apocalyptic number.

It is an amenable number.

33356420 is an abundant number, since it is smaller than the sum of its proper divisors (36692104).

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

33356420 is a wasteful number, since it uses less digits than its factorization.

33356420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667830 (or 1667828 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 33356420 is about 5775.5017098084. The cubic root of 33356420 is about 321.9040774938.

The spelling of 33356420 in words is "thirty-three million, three hundred fifty-six thousand, four hundred twenty".