20223244 has 12 divisors (see below), whose sum is σ = 36214024. Its totient is φ = 9876384.

The previous prime is 20223221. The next prime is 20223257. The reversal of 20223244 is 44232202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58617 + ... + 58960.

Almost surely, 2^20223244 is an apocalyptic number.

It is an amenable number.

20223244 is a deficient number, since it is larger than the sum of its proper divisors (15990780).

20223244 is a wasteful number, since it uses less digits than its factorization.

20223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117624 (or 117622 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20223244 is about 4497.0261284542. The cubic root of 20223244 is about 272.4479894003.

Adding to 20223244 its reverse (44232202), we get a palindrome (64455446).

The spelling of 20223244 in words is "twenty million, two hundred twenty-three thousand, two hundred forty-four".