20209211083 has 2 divisors, whose sum is σ = 20209211084. Its totient is φ = 20209211082.

The previous prime is 20209211081. The next prime is 20209211089. The reversal of 20209211083 is 38011290202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20209211083 - 2¹ = 20209211081 is a prime.

Together with 20209211081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20209211081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10104605541 + 10104605542.

It is an arithmetic number, because the mean of its divisors is an integer number (10104605542).

Almost surely, 2^20209211083 is an apocalyptic number.

20209211083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20209211083 is an equidigital number, since it uses as much as digits as its factorization.

20209211083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20209211083 in words is "twenty billion, two hundred nine million, two hundred eleven thousand, eighty-three".