20052055487 has 2 divisors, whose sum is σ = 20052055488. Its totient is φ = 20052055486.

The previous prime is 20052055483. The next prime is 20052055489. The reversal of 20052055487 is 78455025002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20052055487 - 2² = 20052055483 is a prime.

Together with 20052055489, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20052055487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20052055483) 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 as a sum of consecutive naturals, namely, 10026027743 + 10026027744.

It is an arithmetic number, because the mean of its divisors is an integer number (10026027744).

Almost surely, 2^20052055487 is an apocalyptic number.

20052055487 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052055487 is an equidigital number, since it uses as much as digits as its factorization.

20052055487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 20052055487 in words is "twenty billion, fifty-two million, fifty-five thousand, four hundred eighty-seven".