20067224 has 32 divisors (see below), whose sum is σ = 39536640. Its totient is φ = 9530400.

The previous prime is 20067169. The next prime is 20067233. The reversal of 20067224 is 42276002.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20067224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34859 + ... + 35429.

It is an arithmetic number, because the mean of its divisors is an integer number (1235520).

Almost surely, 2^20067224 is an apocalyptic number.

It is an amenable number.

20067224 is a deficient number, since it is larger than the sum of its proper divisors (19469416).

20067224 is a wasteful number, since it uses less digits than its factorization.

20067224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20067224 is about 4479.6455216903. The cubic root of 20067224 is about 271.7455449043.

The spelling of 20067224 in words is "twenty million, sixty-seven thousand, two hundred twenty-four".