20133001 has 4 divisors (see below), whose sum is σ = 23009152. Its totient is φ = 17256852.

The previous prime is 20132999. The next prime is 20133023. The reversal of 20133001 is 10033102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20133001 - 2¹ = 20132999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20133041) by changing a digit.

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, 1438065 + ... + 1438078.

It is an arithmetic number, because the mean of its divisors is an integer number (5752288).

Almost surely, 2^20133001 is an apocalyptic number.

It is an amenable number.

20133001 is a deficient number, since it is larger than the sum of its proper divisors (2876151).

20133001 is an equidigital number, since it uses as much as digits as its factorization.

20133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876150.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20133001 is about 4486.9812792121. The cubic root of 20133001 is about 272.0421332151.

Adding to 20133001 its reverse (10033102), we get a palindrome (30166103).

The spelling of 20133001 in words is "twenty million, one hundred thirty-three thousand, one".