20055133 has 8 divisors (see below), whose sum is σ = 23022080. Its totient is φ = 17113680.

The previous prime is 20055131. The next prime is 20055137. The reversal of 20055133 is 33155002.

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 20055133 - 2¹ = 20055131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20055133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055131) 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, 4653 + ... + 7858.

It is an arithmetic number, because the mean of its divisors is an integer number (2877760).

Almost surely, 2^20055133 is an apocalyptic number.

It is an amenable number.

20055133 is a deficient number, since it is larger than the sum of its proper divisors (2966947).

20055133 is a wasteful number, since it uses less digits than its factorization.

20055133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12747.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 20055133 is about 4478.2957695981. The cubic root of 20055133 is about 271.6909561297.

The spelling of 20055133 in words is "twenty million, fifty-five thousand, one hundred thirty-three".