20114423309 has 2 divisors, whose sum is σ = 20114423310. Its totient is φ = 20114423308.

The previous prime is 20114423293. The next prime is 20114423363. The reversal of 20114423309 is 90332441102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18517222084 + 1597201225 = 136078^2 + 39965^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114423309 - 2⁴ = 20114423293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114423389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057211654 + 10057211655.

It is an arithmetic number, because the mean of its divisors is an integer number (10057211655).

Almost surely, 2^20114423309 is an apocalyptic number.

It is an amenable number.

20114423309 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114423309 is an equidigital number, since it uses as much as digits as its factorization.

20114423309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20114423309 in words is "twenty billion, one hundred fourteen million, four hundred twenty-three thousand, three hundred nine".