33235420 has 24 divisors (see below), whose sum is σ = 71498448. Its totient is φ = 12969600.

The previous prime is 33235409. The next prime is 33235453. The reversal of 33235420 is 2453233.

It is a super-2 number, since 2×33235420² = 2209186285152800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33235391 and 33235400.

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, 19446 + ... + 21085.

It is an arithmetic number, because the mean of its divisors is an integer number (2979102).

Almost surely, 2^33235420 is an apocalyptic number.

It is an amenable number.

33235420 is an abundant number, since it is smaller than the sum of its proper divisors (38263028).

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

33235420 is a wasteful number, since it uses less digits than its factorization.

33235420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40581 (or 40579 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 33235420 is about 5765.0169123776. The cubic root of 33235420 is about 321.5143715453.

Adding to 33235420 its reverse (2453233), we get a palindrome (35688653).

The spelling of 33235420 in words is "thirty-three million, two hundred thirty-five thousand, four hundred twenty".