20476473 has 8 divisors (see below), whose sum is σ = 27709728. Its totient is φ = 13447104.

The previous prime is 20476459. The next prime is 20476487. The reversal of 20476473 is 37467402.

It is an interprime number because it is at equal distance from previous prime (20476459) and next prime (20476487).

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

It is not a de Polignac number, because 20476473 - 2⁵ = 20476441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20474473) 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, 50736 + ... + 51137.

It is an arithmetic number, because the mean of its divisors is an integer number (3463716).

Almost surely, 2^20476473 is an apocalyptic number.

It is an amenable number.

20476473 is a deficient number, since it is larger than the sum of its proper divisors (7233255).

20476473 is a wasteful number, since it uses less digits than its factorization.

20476473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101943.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 20476473 is about 4525.0937006873. The cubic root of 20476473 is about 273.5804446156.

The spelling of 20476473 in words is "twenty million, four hundred seventy-six thousand, four hundred seventy-three".