20024313 has 4 divisors (see below), whose sum is σ = 26699088. Its totient is φ = 13349540.

The previous prime is 20024311. The next prime is 20024327. The reversal of 20024313 is 31342002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20024313 - 2¹ = 20024311 is a prime.

It is a super-2 number, since 2×20024313² = 801946222243938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20024292 and 20024301.

It is not an unprimeable number, because it can be changed into a prime (20024311) 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, 3337383 + ... + 3337388.

It is an arithmetic number, because the mean of its divisors is an integer number (6674772).

Almost surely, 2^20024313 is an apocalyptic number.

It is an amenable number.

20024313 is a deficient number, since it is larger than the sum of its proper divisors (6674775).

20024313 is an equidigital number, since it uses as much as digits as its factorization.

20024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674774.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20024313 is about 4474.8534054201. The cubic root of 20024313 is about 271.5517098445.

Adding to 20024313 its reverse (31342002), we get a palindrome (51366315).

The spelling of 20024313 in words is "twenty million, twenty-four thousand, three hundred thirteen".