20132230109 has 2 divisors, whose sum is σ = 20132230110. Its totient is φ = 20132230108.

The previous prime is 20132230051. The next prime is 20132230169. The reversal of 20132230109 is 90103223102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15530642884 + 4601587225 = 124622^2 + 67835^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132230109 - 2⁸ = 20132229853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132230169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066115054 + 10066115055.

It is an arithmetic number, because the mean of its divisors is an integer number (10066115055).

Almost surely, 2^20132230109 is an apocalyptic number.

It is an amenable number.

20132230109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132230109 is an equidigital number, since it uses as much as digits as its factorization.

20132230109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 20132230109 in words is "twenty billion, one hundred thirty-two million, two hundred thirty thousand, one hundred nine".