20201002099963 has 2 divisors, whose sum is σ = 20201002099964. Its totient is φ = 20201002099962.

The previous prime is 20201002099951. The next prime is 20201002100053. The reversal of 20201002099963 is 36999020010202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201002099963 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201002099063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100501049981 + 10100501049982.

It is an arithmetic number, because the mean of its divisors is an integer number (10100501049982).

Almost surely, 2^{20201002099963} is an apocalyptic number.

20201002099963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201002099963 is an equidigital number, since it uses as much as digits as its factorization.

20201002099963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 20201002099963 in words is "twenty trillion, two hundred one billion, two million, ninety-nine thousand, nine hundred sixty-three".