20786482099 has 2 divisors, whose sum is σ = 20786482100. Its totient is φ = 20786482098.

The previous prime is 20786482051. The next prime is 20786482117. The reversal of 20786482099 is 99028468702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20786482099 - 2¹³ = 20786473907 is a prime.

It is not a weakly prime, because it can be changed into another prime (20786486099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10393241049 + 10393241050.

It is an arithmetic number, because the mean of its divisors is an integer number (10393241050).

Almost surely, 2^20786482099 is an apocalyptic number.

20786482099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20786482099 is an equidigital number, since it uses as much as digits as its factorization.

20786482099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 20786482099 in words is "twenty billion, seven hundred eighty-six million, four hundred eighty-two thousand, ninety-nine".