20213310071 has 2 divisors, whose sum is σ = 20213310072. Its totient is φ = 20213310070.

The previous prime is 20213310067. The next prime is 20213310101. The reversal of 20213310071 is 17001331202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20213310071 - 2² = 20213310067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20213312071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106655035 + 10106655036.

It is an arithmetic number, because the mean of its divisors is an integer number (10106655036).

Almost surely, 2^20213310071 is an apocalyptic number.

20213310071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213310071 is an equidigital number, since it uses as much as digits as its factorization.

20213310071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 20213310071 its reverse (17001331202), we get a palindrome (37214641273).

The spelling of 20213310071 in words is "twenty billion, two hundred thirteen million, three hundred ten thousand, seventy-one".