20113319 has 2 divisors, whose sum is σ = 20113320. Its totient is φ = 20113318.

The previous prime is 20113273. The next prime is 20113337. The reversal of 20113319 is 91331102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113319 - 2²⁴ = 3336103 is a prime.

It is a super-2 number, since 2×20113319² = 809091202391522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056659 + 10056660.

It is an arithmetic number, because the mean of its divisors is an integer number (10056660).

Almost surely, 2^20113319 is an apocalyptic number.

20113319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113319 is an equidigital number, since it uses as much as digits as its factorization.

20113319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 20113319 is about 4484.7875089016. The cubic root of 20113319 is about 271.9534549465.

The spelling of 20113319 in words is "twenty million, one hundred thirteen thousand, three hundred nineteen".