20445341099 has 2 divisors, whose sum is σ = 20445341100. Its totient is φ = 20445341098.

The previous prime is 20445341083. The next prime is 20445341117. The reversal of 20445341099 is 99014354402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20445341099 - 2⁴ = 20445341083 is a prime.

It is not a weakly prime, because it can be changed into another prime (20445341009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222670549 + 10222670550.

It is an arithmetic number, because the mean of its divisors is an integer number (10222670550).

Almost surely, 2^20445341099 is an apocalyptic number.

20445341099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20445341099 is an equidigital number, since it uses as much as digits as its factorization.

20445341099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 20445341099 in words is "twenty billion, four hundred forty-five million, three hundred forty-one thousand, ninety-nine".