20148033 has 4 divisors (see below), whose sum is σ = 26864048. Its totient is φ = 13432020.

The previous prime is 20147947. The next prime is 20148041. The reversal of 20148033 is 33084102.

It is a happy number.

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 not a de Polignac number, because 20148033 - 2¹⁷ = 20016961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20148053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3358003 + ... + 3358008.

It is an arithmetic number, because the mean of its divisors is an integer number (6716012).

Almost surely, 2^20148033 is an apocalyptic number.

It is an amenable number.

20148033 is a deficient number, since it is larger than the sum of its proper divisors (6716015).

20148033 is an equidigital number, since it uses as much as digits as its factorization.

20148033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716014.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20148033 is about 4488.6560349396. The cubic root of 20148033 is about 272.1098217500.

The spelling of 20148033 in words is "twenty million, one hundred forty-eight thousand, thirty-three".