20560012420225 has 48 divisors (see below), whose sum is σ = 26727014361600. Its totient is φ = 15668284020480.

The previous prime is 20560012420187. The next prime is 20560012420229. The reversal of 20560012420225 is 52202421006502.

It is not a de Polignac number, because 20560012420225 - 2³¹ = 20557864936577 is a prime.

It is a super-2 number, since 2×20560012420225² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20560012420229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78163627 + ... + 78426223.

It is an arithmetic number, because the mean of its divisors is an integer number (556812799200).

Almost surely, 2^{20560012420225} is an apocalyptic number.

20560012420225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20560012420225 is a deficient number, since it is larger than the sum of its proper divisors (6167001941375).

20560012420225 is a wasteful number, since it uses less digits than its factorization.

20560012420225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264082 (or 264077 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20560012420225 its reverse (52202421006502), we get a palindrome (72762433426727).

The spelling of 20560012420225 in words is "twenty trillion, five hundred sixty billion, twelve million, four hundred twenty thousand, two hundred twenty-five".