1020026818819 has 2 divisors, whose sum is σ = 1020026818820. Its totient is φ = 1020026818818.

The previous prime is 1020026818807. The next prime is 1020026818883. The reversal of 1020026818819 is 9188186200201.

It is a happy number.

1020026818819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020026818819 is a prime.

It is a super-2 number, since 2×1020026818819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020026818519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510013409409 + 510013409410.

It is an arithmetic number, because the mean of its divisors is an integer number (510013409410).

Almost surely, 2^{1020026818819} is an apocalyptic number.

1020026818819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020026818819 is an equidigital number, since it uses as much as digits as its factorization.

1020026818819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 1020026818819 in words is "one trillion, twenty billion, twenty-six million, eight hundred eighteen thousand, eight hundred nineteen".