20002201963 has 2 divisors, whose sum is σ = 20002201964. Its totient is φ = 20002201962.

The previous prime is 20002201957. The next prime is 20002202021. The reversal of 20002201963 is 36910220002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002201963 - 2⁹ = 20002201451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002201363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001100981 + 10001100982.

It is an arithmetic number, because the mean of its divisors is an integer number (10001100982).

Almost surely, 2^20002201963 is an apocalyptic number.

20002201963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002201963 is an equidigital number, since it uses as much as digits as its factorization.

20002201963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20002201963 its reverse (36910220002), we get a palindrome (56912421965).

The spelling of 20002201963 in words is "twenty billion, two million, two hundred one thousand, nine hundred sixty-three".