20052053477 has 2 divisors, whose sum is σ = 20052053478. Its totient is φ = 20052053476.

The previous prime is 20052053471. The next prime is 20052053491. The reversal of 20052053477 is 77435025002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12089882116 + 7962171361 = 109954^2 + 89231^2 .

It is a cyclic number.

It is not a de Polignac number, because 20052053477 - 2⁸ = 20052053221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20052053471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026026738 + 10026026739.

It is an arithmetic number, because the mean of its divisors is an integer number (10026026739).

Almost surely, 2^20052053477 is an apocalyptic number.

It is an amenable number.

20052053477 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052053477 is an equidigital number, since it uses as much as digits as its factorization.

20052053477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 35.

Adding to 20052053477 its reverse (77435025002), we get a palindrome (97487078479).

The spelling of 20052053477 in words is "twenty billion, fifty-two million, fifty-three thousand, four hundred seventy-seven".