20052055549 has 2 divisors, whose sum is σ = 20052055550. Its totient is φ = 20052055548.

The previous prime is 20052055519. The next prime is 20052055579. The reversal of 20052055549 is 94555025002.

It is a balanced prime because it is at equal distance from previous prime (20052055519) and next prime (20052055579).

It can be written as a sum of positive squares in only one way, i.e., 20051976025 + 79524 = 141605^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 20052055549 - 2⁷ = 20052055421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20052055519) 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, 10026027774 + 10026027775.

It is an arithmetic number, because the mean of its divisors is an integer number (10026027775).

Almost surely, 2^20052055549 is an apocalyptic number.

It is an amenable number.

20052055549 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052055549 is an equidigital number, since it uses as much as digits as its factorization.

20052055549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 20052055549 in words is "twenty billion, fifty-two million, fifty-five thousand, five hundred forty-nine".