20022022109 has 2 divisors, whose sum is σ = 20022022110. Its totient is φ = 20022022108.

The previous prime is 20022022099. The next prime is 20022022127. The reversal of 20022022109 is 90122022002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13283254009 + 6738768100 = 115253^2 + 82090^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022022109 - 2⁸ = 20022021853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011011054 + 10011011055.

It is an arithmetic number, because the mean of its divisors is an integer number (10011011055).

Almost surely, 2^20022022109 is an apocalyptic number.

It is an amenable number.

20022022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022022109 is an equidigital number, since it uses as much as digits as its factorization.

20022022109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20022022109 in words is "twenty billion, twenty-two million, twenty-two thousand, one hundred nine".