20355033 has 8 divisors (see below), whose sum is σ = 27170496. Its totient is φ = 13554800.

The previous prime is 20355031. The next prime is 20355037. The reversal of 20355033 is 33055302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20355033 - 2¹ = 20355031 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20355031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (3396312).

Almost surely, 2^20355033 is an apocalyptic number.

It is an amenable number.

20355033 is a deficient number, since it is larger than the sum of its proper divisors (6815463).

20355033 is a wasteful number, since it uses less digits than its factorization.

20355033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 20355033 is about 4511.6552394881. The cubic root of 20355033 is about 273.0385298971.

The spelling of 20355033 in words is "twenty million, three hundred fifty-five thousand, thirty-three".