20032573 has 8 divisors (see below), whose sum is σ = 22067136. Its totient is φ = 18033600.

The previous prime is 20032567. The next prime is 20032589. The reversal of 20032573 is 37523002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20032573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032513) 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 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (2758392).

Almost surely, 2^20032573 is an apocalyptic number.

It is an amenable number.

20032573 is a deficient number, since it is larger than the sum of its proper divisors (2034563).

20032573 is a wasteful number, since it uses less digits than its factorization.

20032573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17795.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 20032573 is about 4475.7762455243. The cubic root of 20032573 is about 271.5890429402.

Adding to 20032573 its reverse (37523002), we get a palindrome (57555575).

The spelling of 20032573 in words is "twenty million, thirty-two thousand, five hundred seventy-three".