20324485 has 8 divisors (see below), whose sum is σ = 24663960. Its totient is φ = 16076544.

The previous prime is 20324483. The next prime is 20324527. The reversal of 20324485 is 58442302.

It can be written as a sum of positive squares in 4 ways, for example, as 3407716 + 16916769 = 1846^2 + 4113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20324485 - 2¹ = 20324483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22392 + ... + 23281.

It is an arithmetic number, because the mean of its divisors is an integer number (3082995).

Almost surely, 2^20324485 is an apocalyptic number.

It is an amenable number.

20324485 is a deficient number, since it is larger than the sum of its proper divisors (4339475).

20324485 is an equidigital number, since it uses as much as digits as its factorization.

20324485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45767.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 20324485 is about 4508.2685146295. The cubic root of 20324485 is about 272.9018731630.

Adding to 20324485 its reverse (58442302), we get a palindrome (78766787).

The spelling of 20324485 in words is "twenty million, three hundred twenty-four thousand, four hundred eighty-five".