20020233 has 4 divisors (see below), whose sum is σ = 26693648. Its totient is φ = 13346820.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020233 is 33202002.

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 20020233 - 2¹² = 20016137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020223) 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, 3336703 + ... + 3336708.

It is an arithmetic number, because the mean of its divisors is an integer number (6673412).

Almost surely, 2^20020233 is an apocalyptic number.

It is an amenable number.

20020233 is a deficient number, since it is larger than the sum of its proper divisors (6673415).

20020233 is an equidigital number, since it uses as much as digits as its factorization.

20020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673414.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20020233 is about 4474.3975013403. The cubic root of 20020233 is about 271.5332654959.

Adding to 20020233 its reverse (33202002), we get a palindrome (53222235).

The spelling of 20020233 in words is "twenty million, twenty thousand, two hundred thirty-three".