20203351870063 has 2 divisors, whose sum is σ = 20203351870064. Its totient is φ = 20203351870062.

The previous prime is 20203351870043. The next prime is 20203351870109. The reversal of 20203351870063 is 36007815330202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203351870063 - 2⁹ = 20203351869551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20203351869998 and 20203351870025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203351870003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101675935031 + 10101675935032.

It is an arithmetic number, because the mean of its divisors is an integer number (10101675935032).

Almost surely, 2^{20203351870063} is an apocalyptic number.

20203351870063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203351870063 is an equidigital number, since it uses as much as digits as its factorization.

20203351870063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 20203351870063 in words is "twenty trillion, two hundred three billion, three hundred fifty-one million, eight hundred seventy thousand, sixty-three".