11020020419 has 2 divisors, whose sum is σ = 11020020420. Its totient is φ = 11020020418.

The previous prime is 11020020397. The next prime is 11020020421. The reversal of 11020020419 is 91402002011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020020419 is a prime.

It is a super-2 number, since 2×11020020419² (a number of 21 digits) contains 22 as substring.

Together with 11020020421, it forms a pair of twin primes.

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 11020020419.

It is not a weakly prime, because it can be changed into another prime (11020020499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510010209 + 5510010210.

It is an arithmetic number, because the mean of its divisors is an integer number (5510010210).

Almost surely, 2^11020020419 is an apocalyptic number.

11020020419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020020419 is an equidigital number, since it uses as much as digits as its factorization.

11020020419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 11020020419 in words is "eleven billion, twenty million, twenty thousand, four hundred nineteen".