20223568 has 10 divisors (see below), whose sum is σ = 39183194. Its totient is φ = 10111776.

The previous prime is 20223551. The next prime is 20223611. The reversal of 20223568 is 86532202.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 9412624 = 3288^2 + 3068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631971 + ... + 632002.

Almost surely, 2^20223568 is an apocalyptic number.

It is an amenable number.

20223568 is a deficient number, since it is larger than the sum of its proper divisors (18959626).

20223568 is a wasteful number, since it uses less digits than its factorization.

20223568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263981 (or 1263975 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20223568 is about 4497.0621521166. The cubic root of 20223568 is about 272.4494443709.

The spelling of 20223568 in words is "twenty million, two hundred twenty-three thousand, five hundred sixty-eight".