20607777053 has 2 divisors, whose sum is σ = 20607777054. Its totient is φ = 20607777052.

The previous prime is 20607777011. The next prime is 20607777059. The reversal of 20607777053 is 35077770602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10628166649 + 9979610404 = 103093^2 + 99898^2 .

It is a cyclic number.

It is not a de Polignac number, because 20607777053 - 2⁶ = 20607776989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20607776995 and 20607777013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20607777059) 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, 10303888526 + 10303888527.

It is an arithmetic number, because the mean of its divisors is an integer number (10303888527).

Almost surely, 2^20607777053 is an apocalyptic number.

It is an amenable number.

20607777053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20607777053 is an equidigital number, since it uses as much as digits as its factorization.

20607777053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432180, while the sum is 44.

The spelling of 20607777053 in words is "twenty billion, six hundred seven million, seven hundred seventy-seven thousand, fifty-three".