20102132201 has 2 divisors, whose sum is σ = 20102132202. Its totient is φ = 20102132200.

The previous prime is 20102132143. The next prime is 20102132203. The reversal of 20102132201 is 10223120102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19333512025 + 768620176 = 139045^2 + 27724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102132201 is a prime.

It is a super-2 number, since 2×20102132201² (a number of 21 digits) contains 22 as substring.

Together with 20102132203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20102132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051066100 + 10051066101.

It is an arithmetic number, because the mean of its divisors is an integer number (10051066101).

Almost surely, 2^20102132201 is an apocalyptic number.

It is an amenable number.

20102132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102132201 is an equidigital number, since it uses as much as digits as its factorization.

20102132201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20102132201 its reverse (10223120102), we get a palindrome (30325252303).

The spelling of 20102132201 in words is "twenty billion, one hundred two million, one hundred thirty-two thousand, two hundred one".