20893904616119 has 2 divisors, whose sum is σ = 20893904616120. Its totient is φ = 20893904616118.

The previous prime is 20893904616077. The next prime is 20893904616133. The reversal of 20893904616119 is 91161640939802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20893904616119 is a prime.

It is a super-2 number, since 2×20893904616119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20893904616419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10446952308059 + 10446952308060.

It is an arithmetic number, because the mean of its divisors is an integer number (10446952308060).

Almost surely, 2^{20893904616119} is an apocalyptic number.

20893904616119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20893904616119 is an equidigital number, since it uses as much as digits as its factorization.

20893904616119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 20893904616119 in words is "twenty trillion, eight hundred ninety-three billion, nine hundred four million, six hundred sixteen thousand, one hundred nineteen".