20814741420808 has 8 divisors (see below), whose sum is σ = 39027640164030. Its totient is φ = 10407370710400.

The previous prime is 20814741420799. The next prime is 20814741420919. The reversal of 20814741420808 is 80802414741802.

It can be written as a sum of positive squares in only one way, i.e., 20634288080004 + 180453340804 = 4542498^2 + 424798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300921338793 + ... + 1300921338808.

Almost surely, 2^{20814741420808} is an apocalyptic number.

It is an amenable number.

20814741420808 is a deficient number, since it is larger than the sum of its proper divisors (18212898743222).

20814741420808 is a wasteful number, since it uses less digits than its factorization.

20814741420808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601842677607 (or 2601842677603 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 49.

The spelling of 20814741420808 in words is "twenty trillion, eight hundred fourteen billion, seven hundred forty-one million, four hundred twenty thousand, eight hundred eight".