20652300677 has 2 divisors, whose sum is σ = 20652300678. Its totient is φ = 20652300676.

The previous prime is 20652300659. The next prime is 20652300679. The reversal of 20652300677 is 77600325602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11000024161 + 9652276516 = 104881^2 + 98246^2 .

It is a cyclic number.

It is not a de Polignac number, because 20652300677 - 2⁸ = 20652300421 is a prime.

Together with 20652300679, 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 20652300677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20652300679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326150338 + 10326150339.

It is an arithmetic number, because the mean of its divisors is an integer number (10326150339).

Almost surely, 2^20652300677 is an apocalyptic number.

It is an amenable number.

20652300677 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652300677 is an equidigital number, since it uses as much as digits as its factorization.

20652300677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 20652300677 in words is "twenty billion, six hundred fifty-two million, three hundred thousand, six hundred seventy-seven".