20448226 has 8 divisors (see below), whose sum is σ = 30701484. Its totient is φ = 10214400.

The previous prime is 20448223. The next prime is 20448227. The reversal of 20448226 is 62284402.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 63001 = 4515^2 + 251^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20448194 and 20448203.

It is not an unprimeable number, because it can be changed into a prime (20448223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855 + ... + 6658.

Almost surely, 2^20448226 is an apocalyptic number.

20448226 is a deficient number, since it is larger than the sum of its proper divisors (10253258).

20448226 is a wasteful number, since it uses less digits than its factorization.

20448226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 20448226 is about 4521.9714727097. The cubic root of 20448226 is about 273.4545866286.

The spelling of 20448226 in words is "twenty million, four hundred forty-eight thousand, two hundred twenty-six".