20073337 has 4 divisors (see below), whose sum is σ = 20720896. Its totient is φ = 19425780.

The previous prime is 20073299. The next prime is 20073343. The reversal of 20073337 is 73337002.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20073337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20073397) 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, 323733 + ... + 323794.

It is an arithmetic number, because the mean of its divisors is an integer number (5180224).

Almost surely, 2^20073337 is an apocalyptic number.

It is an amenable number.

20073337 is a deficient number, since it is larger than the sum of its proper divisors (647559).

20073337 is an equidigital number, since it uses as much as digits as its factorization.

20073337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647558.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 20073337 is about 4480.3277781877. The cubic root of 20073337 is about 271.7731356972.

It can be divided in two parts, 200 and 73337, that added together give a palindrome (73537).

The spelling of 20073337 in words is "twenty million, seventy-three thousand, three hundred thirty-seven".