20522341644055 has 16 divisors (see below), whose sum is σ = 24755531788800. Its totient is φ = 16332091899552.

The previous prime is 20522341644023. The next prime is 20522341644139. The reversal of 20522341644055 is 55044614322502.

It is a cyclic number.

It is not a de Polignac number, because 20522341644055 - 2⁵ = 20522341644023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2894142 + ... + 7029988.

It is an arithmetic number, because the mean of its divisors is an integer number (1547220736800).

Almost surely, 2^{20522341644055} is an apocalyptic number.

20522341644055 is a deficient number, since it is larger than the sum of its proper divisors (4233190144745).

20522341644055 is a wasteful number, since it uses less digits than its factorization.

20522341644055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141038.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 20522341644055 its reverse (55044614322502), we get a palindrome (75566955966557).

The spelling of 20522341644055 in words is "twenty trillion, five hundred twenty-two billion, three hundred forty-one million, six hundred forty-four thousand, fifty-five".