20410768014221 has 16 divisors (see below), whose sum is σ = 22559031021744. Its totient is φ = 18350295135744.

The previous prime is 20410768014193. The next prime is 20410768014239. The reversal of 20410768014221 is 12241086701402.

It can be written as a sum of positive squares in 8 ways, for example, as 969458821321 + 19441309192900 = 984611^2 + 4409230^2 .

It is not a de Polignac number, because 20410768014221 - 2³⁰ = 20409694272397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410768014281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108021506 + ... + 108210291.

It is an arithmetic number, because the mean of its divisors is an integer number (1409939438859).

Almost surely, 2^{20410768014221} is an apocalyptic number.

It is an amenable number.

20410768014221 is a deficient number, since it is larger than the sum of its proper divisors (2148263007523).

20410768014221 is a wasteful number, since it uses less digits than its factorization.

20410768014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216232000.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 20410768014221 in words is "twenty trillion, four hundred ten billion, seven hundred sixty-eight million, fourteen thousand, two hundred twenty-one".