20163220001 has 2 divisors, whose sum is σ = 20163220002. Its totient is φ = 20163220000.

The previous prime is 20163219983. The next prime is 20163220019. The reversal of 20163220001 is 10002236102.

It is a balanced prime because it is at equal distance from previous prime (20163219983) and next prime (20163220019).

It can be written as a sum of positive squares in only one way, i.e., 20034987025 + 128232976 = 141545^2 + 11324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20163220001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20163220801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081610000 + 10081610001.

It is an arithmetic number, because the mean of its divisors is an integer number (10081610001).

Almost surely, 2^20163220001 is an apocalyptic number.

It is an amenable number.

20163220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20163220001 is an equidigital number, since it uses as much as digits as its factorization.

20163220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20163220001 its reverse (10002236102), we get a palindrome (30165456103).

The spelling of 20163220001 in words is "twenty billion, one hundred sixty-three million, two hundred twenty thousand, one".