20522278554607 has 2 divisors, whose sum is σ = 20522278554608. Its totient is φ = 20522278554606.

The previous prime is 20522278554577. The next prime is 20522278554637. The reversal of 20522278554607 is 70645587222502.

It is a balanced prime because it is at equal distance from previous prime (20522278554577) and next prime (20522278554637).

It is a cyclic number.

It is not a de Polignac number, because 20522278554607 - 2³⁹ = 19972522740719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20522278554637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261139277303 + 10261139277304.

It is an arithmetic number, because the mean of its divisors is an integer number (10261139277304).

Almost surely, 2^{20522278554607} is an apocalyptic number.

20522278554607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522278554607 is an equidigital number, since it uses as much as digits as its factorization.

20522278554607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 20522278554607 in words is "twenty trillion, five hundred twenty-two billion, two hundred seventy-eight million, five hundred fifty-four thousand, six hundred seven".