1010020020979 has 2 divisors, whose sum is σ = 1010020020980. Its totient is φ = 1010020020978.

The previous prime is 1010020020973. The next prime is 1010020021033. The reversal of 1010020020979 is 9790200200101.

It is a weak prime.

It is an emirp because it is prime and its reverse (9790200200101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010020020979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010020020979.

It is not a weakly prime, because it can be changed into another prime (1010020020973) 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, 505010010489 + 505010010490.

It is an arithmetic number, because the mean of its divisors is an integer number (505010010490).

Almost surely, 2^{1010020020979} is an apocalyptic number.

1010020020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020020979 is an equidigital number, since it uses as much as digits as its factorization.

1010020020979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 1010020020979 in words is "one trillion, ten billion, twenty million, twenty thousand, nine hundred seventy-nine".