20522011332499 has 2 divisors, whose sum is σ = 20522011332500. Its totient is φ = 20522011332498.

The previous prime is 20522011332479. The next prime is 20522011332637. The reversal of 20522011332499 is 99423311022502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20522011332499 - 2³¹ = 20519863848851 is a prime.

It is not a weakly prime, because it can be changed into another prime (20522011332409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261005666249 + 10261005666250.

It is an arithmetic number, because the mean of its divisors is an integer number (10261005666250).

Almost surely, 2^{20522011332499} is an apocalyptic number.

20522011332499 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522011332499 is an equidigital number, since it uses as much as digits as its factorization.

20522011332499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 20522011332499 in words is "twenty trillion, five hundred twenty-two billion, eleven million, three hundred thirty-two thousand, four hundred ninety-nine".