20473227 has 24 divisors (see below), whose sum is σ = 30624048. Its totient is φ = 13171200.

The previous prime is 20473223. The next prime is 20473231. The reversal of 20473227 is 72237402.

It is an interprime number because it is at equal distance from previous prime (20473223) and next prime (20473231).

It is not a de Polignac number, because 20473227 - 2² = 20473223 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20473227.

It is not an unprimeable number, because it can be changed into a prime (20473223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41452 + ... + 41942.

It is an arithmetic number, because the mean of its divisors is an integer number (1276002).

Almost surely, 2^20473227 is an apocalyptic number.

20473227 is a deficient number, since it is larger than the sum of its proper divisors (10150821).

20473227 is a wasteful number, since it uses less digits than its factorization.

20473227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 20473227 is about 4524.7350198658. The cubic root of 20473227 is about 273.5659875515.

The spelling of 20473227 in words is "twenty million, four hundred seventy-three thousand, two hundred twenty-seven".