20324924 has 6 divisors (see below), whose sum is σ = 35568624. Its totient is φ = 10162460.

The previous prime is 20324923. The next prime is 20324929. The reversal of 20324924 is 42942302.

It is a junction number, because it is equal to n+sod(n) for n = 20324893 and 20324902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324921) by changing a digit.

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 as a sum of consecutive naturals, namely, 2540612 + ... + 2540619.

It is an arithmetic number, because the mean of its divisors is an integer number (5928104).

Almost surely, 2^20324924 is an apocalyptic number.

It is an amenable number.

20324924 is a deficient number, since it is larger than the sum of its proper divisors (15243700).

20324924 is a wasteful number, since it uses less digits than its factorization.

20324924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081235 (or 5081233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20324924 is about 4508.3172026822. The cubic root of 20324924 is about 272.9038380026.

The spelling of 20324924 in words is "twenty million, three hundred twenty-four thousand, nine hundred twenty-four".