20554520541883 has 2 divisors, whose sum is σ = 20554520541884. Its totient is φ = 20554520541882.

The previous prime is 20554520541871. The next prime is 20554520541911. The reversal of 20554520541883 is 38814502545502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20554520541883 - 2²⁹ = 20553983670971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20554520541883.

It is not a weakly prime, because it can be changed into another prime (20554520541383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10277260270941 + 10277260270942.

It is an arithmetic number, because the mean of its divisors is an integer number (10277260270942).

Almost surely, 2^{20554520541883} is an apocalyptic number.

20554520541883 is a deficient number, since it is larger than the sum of its proper divisors (1).

20554520541883 is an equidigital number, since it uses as much as digits as its factorization.

20554520541883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680000, while the sum is 52.

The spelling of 20554520541883 in words is "twenty trillion, five hundred fifty-four billion, five hundred twenty million, five hundred forty-one thousand, eight hundred eighty-three".