20080554271801 has 4 divisors (see below), whose sum is σ = 20080628170612. Its totient is φ = 20080480372992.

The previous prime is 20080554271793. The next prime is 20080554271819. The reversal of 20080554271801 is 10817245508002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13734613888576 + 6345940383225 = 3706024^2 + 2519115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20080554271801 - 2³ = 20080554271793 is a prime.

It is a super-3 number, since 3×20080554271801³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20080554271201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36540300 + ... + 37085773.

It is an arithmetic number, because the mean of its divisors is an integer number (5020157042653).

Almost surely, 2^{20080554271801} is an apocalyptic number.

It is an amenable number.

20080554271801 is a deficient number, since it is larger than the sum of its proper divisors (73898811).

20080554271801 is an equidigital number, since it uses as much as digits as its factorization.

20080554271801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73898810.

The product of its (nonzero) digits is 179200, while the sum is 43.

Adding to 20080554271801 its reverse (10817245508002), we get a palindrome (30897799779803).

The spelling of 20080554271801 in words is "twenty trillion, eighty billion, five hundred fifty-four million, two hundred seventy-one thousand, eight hundred one".