20266560767007 has 32 divisors (see below), whose sum is σ = 30046643289600. Its totient is φ = 13501095297984.

The previous prime is 20266560766997. The next prime is 20266560767059. The reversal of 20266560767007 is 70076706566202.

20266560767007 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 6 + 560 + 7 + 6 + 70 + 0 + 7 = 666.

It is not a de Polignac number, because 20266560767007 - 2²⁶ = 20266493658143 is a prime.

It is a super-3 number, since 3×20266560767007³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20266560767507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205063198 + ... + 205162004.

It is an arithmetic number, because the mean of its divisors is an integer number (938957602800).

Almost surely, 2^{20266560767007} is an apocalyptic number.

20266560767007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20266560767007 is a deficient number, since it is larger than the sum of its proper divisors (9780082522593).

20266560767007 is a wasteful number, since it uses less digits than its factorization.

20266560767007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104332 (or 104326 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 20266560767007 in words is "twenty trillion, two hundred sixty-six billion, five hundred sixty million, seven hundred sixty-seven thousand, seven".