20221203109 has 2 divisors, whose sum is σ = 20221203110. Its totient is φ = 20221203108.

The previous prime is 20221203073. The next prime is 20221203161. The reversal of 20221203109 is 90130212202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10825778209 + 9395424900 = 104047^2 + 96930^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221203109 - 2⁹ = 20221202597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20221203109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221273109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110601554 + 10110601555.

It is an arithmetic number, because the mean of its divisors is an integer number (10110601555).

Almost surely, 2^20221203109 is an apocalyptic number.

It is an amenable number.

20221203109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221203109 is an equidigital number, since it uses as much as digits as its factorization.

20221203109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 20221203109 in words is "twenty billion, two hundred twenty-one million, two hundred three thousand, one hundred nine".