20033120 has 24 divisors (see below), whose sum is σ = 47328624. Its totient is φ = 8013184.

The previous prime is 20033093. The next prime is 20033137. The reversal of 20033120 is 2133002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62444 + ... + 62763.

It is an arithmetic number, because the mean of its divisors is an integer number (1972026).

Almost surely, 2^20033120 is an apocalyptic number.

20033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033120 is an abundant number, since it is smaller than the sum of its proper divisors (27295504).

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

20033120 is a wasteful number, since it uses less digits than its factorization.

20033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125222 (or 125214 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20033120 is about 4475.8373518259. The cubic root of 20033120 is about 271.5915148785.

Adding to 20033120 its reverse (2133002), we get a palindrome (22166122).

The spelling of 20033120 in words is "twenty million, thirty-three thousand, one hundred twenty".