20233319 has 2 divisors, whose sum is σ = 20233320. Its totient is φ = 20233318.

The previous prime is 20233313. The next prime is 20233321. The reversal of 20233319 is 91333202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20233319 - 2⁸ = 20233063 is a prime.

It is a super-2 number, since 2×20233319² = 818774395511522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 20233321, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233294 and 20233303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116659 + 10116660.

It is an arithmetic number, because the mean of its divisors is an integer number (10116660).

Almost surely, 2^20233319 is an apocalyptic number.

20233319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233319 is an equidigital number, since it uses as much as digits as its factorization.

20233319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 20233319 is about 4498.1461737031. The cubic root of 20233319 is about 272.4932254299.

The spelling of 20233319 in words is "twenty million, two hundred thirty-three thousand, three hundred nineteen".