20652770566007 has 2 divisors, whose sum is σ = 20652770566008. Its totient is φ = 20652770566006.

The previous prime is 20652770565901. The next prime is 20652770566037. The reversal of 20652770566007 is 70066507725602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20652770566007 - 2¹⁴ = 20652770549623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20652770566007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20652770566037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326385283003 + 10326385283004.

It is an arithmetic number, because the mean of its divisors is an integer number (10326385283004).

Almost surely, 2^{20652770566007} is an apocalyptic number.

20652770566007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20652770566007 is an equidigital number, since it uses as much as digits as its factorization.

20652770566007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 20652770566007 in words is "twenty trillion, six hundred fifty-two billion, seven hundred seventy million, five hundred sixty-six thousand, seven".