20045544119 has 2 divisors, whose sum is σ = 20045544120. Its totient is φ = 20045544118.

The previous prime is 20045544011. The next prime is 20045544121. The reversal of 20045544119 is 91144554002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20045544119 is a prime.

It is a super-2 number, since 2×20045544119² (a number of 21 digits) contains 22 as substring.

Together with 20045544121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20045544319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022772059 + 10022772060.

It is an arithmetic number, because the mean of its divisors is an integer number (10022772060).

Almost surely, 2^20045544119 is an apocalyptic number.

20045544119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045544119 is an equidigital number, since it uses as much as digits as its factorization.

20045544119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 20045544119 in words is "twenty billion, forty-five million, five hundred forty-four thousand, one hundred nineteen".