20560245001 has 2 divisors, whose sum is σ = 20560245002. Its totient is φ = 20560245000.

The previous prime is 20560244993. The next prime is 20560245047. The reversal of 20560245001 is 10054206502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20408979600 + 151265401 = 142860^2 + 12299^2 .

It is a cyclic number.

It is not a de Polignac number, because 20560245001 - 2³ = 20560244993 is a prime.

It is a super-2 number, since 2×20560245001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20560246001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10280122500 + 10280122501.

It is an arithmetic number, because the mean of its divisors is an integer number (10280122501).

Almost surely, 2^20560245001 is an apocalyptic number.

It is an amenable number.

20560245001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20560245001 is an equidigital number, since it uses as much as digits as its factorization.

20560245001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20560245001 in words is "twenty billion, five hundred sixty million, two hundred forty-five thousand, one".