20522011332479 has 2 divisors, whose sum is σ = 20522011332480. Its totient is φ = 20522011332478.

The previous prime is 20522011332437. The next prime is 20522011332499. The reversal of 20522011332479 is 97423311022502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20522011332479 - 2¹² = 20522011328383 is a prime.

It is a congruent number.

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, 10261005666239 + 10261005666240.

It is an arithmetic number, because the mean of its divisors is an integer number (10261005666240).

Almost surely, 2^{20522011332479} is an apocalyptic number.

20522011332479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522011332479 is an equidigital number, since it uses as much as digits as its factorization.

20522011332479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 20522011332479 in words is "twenty trillion, five hundred twenty-two billion, eleven million, three hundred thirty-two thousand, four hundred seventy-nine".