20102202101959 has 2 divisors, whose sum is σ = 20102202101960. Its totient is φ = 20102202101958.

The previous prime is 20102202101957. The next prime is 20102202102007. The reversal of 20102202101959 is 95910120220102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102202101959 - 2¹ = 20102202101957 is a prime.

Together with 20102202101957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102202101957) 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, 10051101050979 + 10051101050980.

It is an arithmetic number, because the mean of its divisors is an integer number (10051101050980).

Almost surely, 2^{20102202101959} is an apocalyptic number.

20102202101959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102202101959 is an equidigital number, since it uses as much as digits as its factorization.

20102202101959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 20102202101959 in words is "twenty trillion, one hundred two billion, two hundred two million, one hundred one thousand, nine hundred fifty-nine".