20303119 has 2 divisors, whose sum is σ = 20303120. Its totient is φ = 20303118.

The previous prime is 20303111. The next prime is 20303123. The reversal of 20303119 is 91130302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20303119 - 2³ = 20303111 is a prime.

It is a super-2 number, since 2×20303119² = 824433282256322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20303096 and 20303105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20303111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151559 + 10151560.

It is an arithmetic number, because the mean of its divisors is an integer number (10151560).

Almost surely, 2^20303119 is an apocalyptic number.

20303119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303119 is an equidigital number, since it uses as much as digits as its factorization.

20303119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 20303119 is about 4505.8982456332. The cubic root of 20303119 is about 272.8062107830.

The spelling of 20303119 in words is "twenty million, three hundred three thousand, one hundred nineteen".