20020202071 has 2 divisors, whose sum is σ = 20020202072. Its totient is φ = 20020202070.

The previous prime is 20020202063. The next prime is 20020202107. The reversal of 20020202071 is 17020202002.

Together with next prime (20020202107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020202071 - 2³ = 20020202063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010101035 + 10010101036.

It is an arithmetic number, because the mean of its divisors is an integer number (10010101036).

Almost surely, 2^20020202071 is an apocalyptic number.

20020202071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020202071 is an equidigital number, since it uses as much as digits as its factorization.

20020202071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 20020202071 its reverse (17020202002), we get a palindrome (37040404073).

The spelling of 20020202071 in words is "twenty billion, twenty million, two hundred two thousand, seventy-one".