20020210011001 has 2 divisors, whose sum is σ = 20020210011002. Its totient is φ = 20020210011000.

The previous prime is 20020210010981. The next prime is 20020210011017. The reversal of 20020210011001 is 10011001202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18740933646400 + 1279276364601 = 4329080^2 + 1131051^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020210011001 - 2¹³ = 20020210002809 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020210011071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010105005500 + 10010105005501.

It is an arithmetic number, because the mean of its divisors is an integer number (10010105005501).

Almost surely, 2^{20020210011001} is an apocalyptic number.

It is an amenable number.

20020210011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020210011001 is an equidigital number, since it uses as much as digits as its factorization.

20020210011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020210011001 its reverse (10011001202002), we get a palindrome (30031211213003).

The spelling of 20020210011001 in words is "twenty trillion, twenty billion, two hundred ten million, eleven thousand, one".