20022021202163 has 2 divisors, whose sum is σ = 20022021202164. Its totient is φ = 20022021202162.

The previous prime is 20022021202159. The next prime is 20022021202231. The reversal of 20022021202163 is 36120212022002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022021202163 - 2² = 20022021202159 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022021802163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011010601081 + 10011010601082.

It is an arithmetic number, because the mean of its divisors is an integer number (10011010601082).

Almost surely, 2^{20022021202163} is an apocalyptic number.

20022021202163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022021202163 is an equidigital number, since it uses as much as digits as its factorization.

20022021202163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20022021202163 its reverse (36120212022002), we get a palindrome (56142233224165).

The spelling of 20022021202163 in words is "twenty trillion, twenty-two billion, twenty-one million, two hundred two thousand, one hundred sixty-three".