20324051 has 4 divisors (see below), whose sum is σ = 22171704. Its totient is φ = 18476400.

The previous prime is 20324039. The next prime is 20324077. The reversal of 20324051 is 15042302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20324051 - 2¹⁴ = 20307667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923810 + ... + 923831.

It is an arithmetic number, because the mean of its divisors is an integer number (5542926).

Almost surely, 2^20324051 is an apocalyptic number.

20324051 is a deficient number, since it is larger than the sum of its proper divisors (1847653).

20324051 is a wasteful number, since it uses less digits than its factorization.

20324051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847652.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20324051 is about 4508.2203805937. The cubic root of 20324051 is about 272.8999306742.

Adding to 20324051 its reverse (15042302), we get a palindrome (35366353).

The spelling of 20324051 in words is "twenty million, three hundred twenty-four thousand, fifty-one".