33855020 has 24 divisors (see below), whose sum is σ = 71320704. Its totient is φ = 13499136.

The previous prime is 33855013. The next prime is 33855077. The reversal of 33855020 is 2055833.

It is a super-2 number, since 2×33855020² = 2292324758400800, which contains 22 as substring.

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, 4229 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (2971696).

Almost surely, 2^33855020 is an apocalyptic number.

It is an amenable number.

33855020 is an abundant number, since it is smaller than the sum of its proper divisors (37465684).

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

33855020 is a wasteful number, since it uses less digits than its factorization.

33855020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 33855020 is about 5818.5066812714. The cubic root of 33855020 is about 323.5000545457.

The spelling of 33855020 in words is "thirty-three million, eight hundred fifty-five thousand, twenty".