20894119 has 2 divisors, whose sum is σ = 20894120. Its totient is φ = 20894118.

The previous prime is 20894099. The next prime is 20894131. The reversal of 20894119 is 91149802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20894119 - 2¹³ = 20885927 is a prime.

It is a super-2 number, since 2×20894119² = 873128417572322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20894149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10447059 + 10447060.

It is an arithmetic number, because the mean of its divisors is an integer number (10447060).

Almost surely, 2^20894119 is an apocalyptic number.

20894119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20894119 is an equidigital number, since it uses as much as digits as its factorization.

20894119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 20894119 is about 4571.0085320419. The cubic root of 20894119 is about 275.4279573551.

The spelling of 20894119 in words is "twenty million, eight hundred ninety-four thousand, one hundred nineteen".