20473017 has 8 divisors (see below), whose sum is σ = 27385824. Its totient is φ = 13604448.

The previous prime is 20473009. The next prime is 20473039. The reversal of 20473017 is 71037402.

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

It is not a de Polignac number, because 20473017 - 2³ = 20473009 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20473007) 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, 9963 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (3423228).

Almost surely, 2^20473017 is an apocalyptic number.

It is an amenable number.

20473017 is a deficient number, since it is larger than the sum of its proper divisors (6912807).

20473017 is a wasteful number, since it uses less digits than its factorization.

20473017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22119.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20473017 is about 4524.7118140275. The cubic root of 20473017 is about 273.5650521989.

The spelling of 20473017 in words is "twenty million, four hundred seventy-three thousand, seventeen".