20332473 has 8 divisors (see below), whose sum is σ = 30982848. Its totient is φ = 11618544.

The previous prime is 20332469. The next prime is 20332511. The reversal of 20332473 is 37423302.

It is a happy number.

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

It is not a de Polignac number, because 20332473 - 2² = 20332469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20333473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484086 + ... + 484127.

It is an arithmetic number, because the mean of its divisors is an integer number (3872856).

Almost surely, 2^20332473 is an apocalyptic number.

It is an amenable number.

20332473 is a deficient number, since it is larger than the sum of its proper divisors (10650375).

20332473 is an equidigital number, since it uses as much as digits as its factorization.

20332473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968223.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 20332473 is about 4509.1543553088. The cubic root of 20332473 is about 272.9376207623.

Adding to 20332473 its reverse (37423302), we get a palindrome (57755775).

The spelling of 20332473 in words is "twenty million, three hundred thirty-two thousand, four hundred seventy-three".