20322462109 has 2 divisors, whose sum is σ = 20322462110. Its totient is φ = 20322462108.

The previous prime is 20322462089. The next prime is 20322462151. The reversal of 20322462109 is 90126422302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14354436100 + 5968026009 = 119810^2 + 77253^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322462109 - 2⁵ = 20322462077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322468109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161231054 + 10161231055.

It is an arithmetic number, because the mean of its divisors is an integer number (10161231055).

Almost surely, 2^20322462109 is an apocalyptic number.

It is an amenable number.

20322462109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322462109 is an equidigital number, since it uses as much as digits as its factorization.

20322462109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20322462109 in words is "twenty billion, three hundred twenty-two million, four hundred sixty-two thousand, one hundred nine".