20827627099 has 2 divisors, whose sum is σ = 20827627100. Its totient is φ = 20827627098.

The previous prime is 20827627097. The next prime is 20827627151. The reversal of 20827627099 is 99072672802.

It is an a-pointer prime, because the next prime (20827627151) can be obtained adding 20827627099 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20827627099 - 2¹ = 20827627097 is a prime.

Together with 20827627097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20827627091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10413813549 + 10413813550.

It is an arithmetic number, because the mean of its divisors is an integer number (10413813550).

Almost surely, 2^20827627099 is an apocalyptic number.

20827627099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20827627099 is an equidigital number, since it uses as much as digits as its factorization.

20827627099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 20827627099 in words is "twenty billion, eight hundred twenty-seven million, six hundred twenty-seven thousand, ninety-nine".