20652300577 has 2 divisors, whose sum is σ = 20652300578. Its totient is φ = 20652300576.

The previous prime is 20652300563. The next prime is 20652300589. The reversal of 20652300577 is 77500325602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11465269776 + 9187030801 = 107076^2 + 95849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20652300577 is a prime.

It is not a weakly prime, because it can be changed into another prime (20652300677) 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, 10326150288 + 10326150289.

It is an arithmetic number, because the mean of its divisors is an integer number (10326150289).

Almost surely, 2^20652300577 is an apocalyptic number.

It is an amenable number.

20652300577 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652300577 is an equidigital number, since it uses as much as digits as its factorization.

20652300577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 20652300577 in words is "twenty billion, six hundred fifty-two million, three hundred thousand, five hundred seventy-seven".