20324469 has 16 divisors (see below), whose sum is σ = 31302720. Its totient is φ = 11592960.

The previous prime is 20324453. The next prime is 20324483. The reversal of 20324469 is 96442302.

It is not a de Polignac number, because 20324469 - 2⁴ = 20324453 is a prime.

It is a super-2 number, since 2×20324469² = 826168080263922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324869) 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 in 15 ways as a sum of consecutive naturals, for example, 17554 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (1956420).

Almost surely, 2^20324469 is an apocalyptic number.

It is an amenable number.

20324469 is a deficient number, since it is larger than the sum of its proper divisors (10978251).

20324469 is a wasteful number, since it uses less digits than its factorization.

20324469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36260.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20324469 is about 4508.2667401120. The cubic root of 20324469 is about 272.9018015510.

The spelling of 20324469 in words is "twenty million, three hundred twenty-four thousand, four hundred sixty-nine".