20226448 has 40 divisors (see below), whose sum is σ = 43809696. Its totient is φ = 8966400.

The previous prime is 20226421. The next prime is 20226461. The reversal of 20226448 is 84462202.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815 + ... + 8617.

Almost surely, 2^20226448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20226448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21904848).

20226448 is an abundant number, since it is smaller than the sum of its proper divisors (23583248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20226448 is a wasteful number, since it uses less digits than its factorization.

20226448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863 (or 2857 counting only the distinct ones).

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

The square root of 20226448 is about 4497.3823497675. The cubic root of 20226448 is about 272.4623767601.

The spelling of 20226448 in words is "twenty million, two hundred twenty-six thousand, four hundred forty-eight".