20224468 has 12 divisors (see below), whose sum is σ = 38610432. Its totient is φ = 9192920.

The previous prime is 20224453. The next prime is 20224469. The reversal of 20224468 is 86442202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224469) 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, 229780 + ... + 229867.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 2^20224468 is an apocalyptic number.

It is an amenable number.

20224468 is a deficient number, since it is larger than the sum of its proper divisors (18385964).

20224468 is a wasteful number, since it uses less digits than its factorization.

20224468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459662 (or 459660 counting only the distinct ones).

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

The square root of 20224468 is about 4497.1622163315. The cubic root of 20224468 is about 272.4534858744.

The spelling of 20224468 in words is "twenty million, two hundred twenty-four thousand, four hundred sixty-eight".