20224012 has 12 divisors (see below), whose sum is σ = 35444080. Its totient is φ = 10097136.

The previous prime is 20224007. The next prime is 20224013. The reversal of 20224012 is 21042202.

It is a super-2 number, since 2×20224012² = 818021322752288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20223983 and 20224001.

It is not an unprimeable number, because it can be changed into a prime (20224013) 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, 312 + ... + 6367.

Almost surely, 2^20224012 is an apocalyptic number.

It is an amenable number.

20224012 is a deficient number, since it is larger than the sum of its proper divisors (15220068).

20224012 is a wasteful number, since it uses less digits than its factorization.

20224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20224012 is about 4497.1115174076. Note that the first 3 decimals coincide. The cubic root of 20224012 is about 272.4514381943.

Adding to 20224012 its reverse (21042202), we get a palindrome (41266214).

The spelling of 20224012 in words is "twenty million, two hundred twenty-four thousand, twelve".