20020110919 has 2 divisors, whose sum is σ = 20020110920. Its totient is φ = 20020110918.

The previous prime is 20020110907. The next prime is 20020110953. The reversal of 20020110919 is 91901102002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020110919 - 2¹⁵ = 20020078151 is a prime.

It is a super-2 number, since 2×20020110919² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020110893 and 20020110902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020110119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010055459 + 10010055460.

It is an arithmetic number, because the mean of its divisors is an integer number (10010055460).

Almost surely, 2^20020110919 is an apocalyptic number.

20020110919 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020110919 is an equidigital number, since it uses as much as digits as its factorization.

20020110919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 20020110919 in words is "twenty billion, twenty million, one hundred ten thousand, nine hundred nineteen".