20044319 has 2 divisors, whose sum is σ = 20044320. Its totient is φ = 20044318.

The previous prime is 20044303. The next prime is 20044351. The reversal of 20044319 is 91344002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20044319 - 2⁴ = 20044303 is a prime.

It is a super-2 number, since 2×20044319² = 803549448347522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20044294 and 20044303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20044369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022159 + 10022160.

It is an arithmetic number, because the mean of its divisors is an integer number (10022160).

Almost surely, 2^20044319 is an apocalyptic number.

20044319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044319 is an equidigital number, since it uses as much as digits as its factorization.

20044319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20044319 is about 4477.0882278552. The cubic root of 20044319 is about 271.6421141991.

The spelling of 20044319 in words is "twenty million, forty-four thousand, three hundred nineteen".