20261119 has 2 divisors, whose sum is σ = 20261120. Its totient is φ = 20261118.

The previous prime is 20261113. The next prime is 20261123. The reversal of 20261119 is 91116202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20261119 - 2¹⁹ = 19736831 is a prime.

It is a super-2 number, since 2×20261119² = 821025886264322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20261119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20261113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130559 + 10130560.

It is an arithmetic number, because the mean of its divisors is an integer number (10130560).

Almost surely, 2^20261119 is an apocalyptic number.

20261119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20261119 is an equidigital number, since it uses as much as digits as its factorization.

20261119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 20261119 is about 4501.2352748995. The cubic root of 20261119 is about 272.6179676087.

The spelling of 20261119 in words is "twenty million, two hundred sixty-one thousand, one hundred nineteen".