20456227 has 8 divisors (see below), whose sum is σ = 22919472. Its totient is φ = 18093600.

The previous prime is 20456221. The next prime is 20456231. The reversal of 20456227 is 72265402.

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-20456227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20456195 and 20456204.

It is not an unprimeable number, because it can be changed into a prime (20456221) 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, 24724 + ... + 25537.

It is an arithmetic number, because the mean of its divisors is an integer number (2864934).

Almost surely, 2^20456227 is an apocalyptic number.

20456227 is a deficient number, since it is larger than the sum of its proper divisors (2463245).

20456227 is a wasteful number, since it uses less digits than its factorization.

20456227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50309.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 20456227 is about 4522.8560666906. The cubic root of 20456227 is about 273.4902478289.

The spelling of 20456227 in words is "twenty million, four hundred fifty-six thousand, two hundred twenty-seven".