20867324 has 12 divisors (see below), whose sum is σ = 36551424. Its totient is φ = 10424064.

The previous prime is 20867317. The next prime is 20867333. The reversal of 20867324 is 42376802.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 5084 + ... + 8220.

It is an arithmetic number, because the mean of its divisors is an integer number (3045952).

Almost surely, 2^20867324 is an apocalyptic number.

It is an amenable number.

20867324 is a deficient number, since it is larger than the sum of its proper divisors (15684100).

20867324 is a wasteful number, since it uses less digits than its factorization.

20867324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 4802 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 20867324 is about 4568.0766193224. The cubic root of 20867324 is about 275.3101690410.

The spelling of 20867324 in words is "twenty million, eight hundred sixty-seven thousand, three hundred twenty-four".