20468379 has 4 divisors (see below), whose sum is σ = 27291176. Its totient is φ = 13645584.

The previous prime is 20468353. The next prime is 20468407. The reversal of 20468379 is 97386402.

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

It is not a de Polignac number, because 20468379 - 2¹¹ = 20466331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468179) 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, 3411394 + ... + 3411399.

It is an arithmetic number, because the mean of its divisors is an integer number (6822794).

Almost surely, 2^20468379 is an apocalyptic number.

20468379 is a deficient number, since it is larger than the sum of its proper divisors (6822797).

20468379 is an equidigital number, since it uses as much as digits as its factorization.

20468379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822796.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 20468379 is about 4524.1992661685. The cubic root of 20468379 is about 273.5443926395.

The spelling of 20468379 in words is "twenty million, four hundred sixty-eight thousand, three hundred seventy-nine".