20224268 has 12 divisors (see below), whose sum is σ = 36931440. Its totient is φ = 9672432.

The previous prime is 20224261. The next prime is 20224273. The reversal of 20224268 is 86242202.

It is a super-2 number, since 2×20224268² = 818042032271648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20224261) 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, 109823 + ... + 110006.

It is an arithmetic number, because the mean of its divisors is an integer number (3077620).

Almost surely, 2^20224268 is an apocalyptic number.

It is an amenable number.

20224268 is a deficient number, since it is larger than the sum of its proper divisors (16707172).

20224268 is a wasteful number, since it uses less digits than its factorization.

20224268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219856 (or 219854 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 20224268 is about 4497.1399800318. The cubic root of 20224268 is about 272.4525877729.

The spelling of 20224268 in words is "twenty million, two hundred twenty-four thousand, two hundred sixty-eight".