20042010163867 has 2 divisors, whose sum is σ = 20042010163868. Its totient is φ = 20042010163866.

The previous prime is 20042010163841. The next prime is 20042010163891. The reversal of 20042010163867 is 76836101024002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20042010163867 - 2¹⁹ = 20042009639579 is a prime.

It is not a weakly prime, because it can be changed into another prime (20042010163817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021005081933 + 10021005081934.

It is an arithmetic number, because the mean of its divisors is an integer number (10021005081934).

Almost surely, 2^{20042010163867} is an apocalyptic number.

20042010163867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042010163867 is an equidigital number, since it uses as much as digits as its factorization.

20042010163867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

Adding to 20042010163867 its reverse (76836101024002), we get a palindrome (96878111187869).

The spelling of 20042010163867 in words is "twenty trillion, forty-two billion, ten million, one hundred sixty-three thousand, eight hundred sixty-seven".