20466026506443 has 16 divisors (see below), whose sum is σ = 31911589504256. Its totient is φ = 11422898514720.

The previous prime is 20466026506411. The next prime is 20466026506477. The reversal of 20466026506443 is 34460562066402.

It is not a de Polignac number, because 20466026506443 - 2⁵ = 20466026506411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20466026506392 and 20466026506401.

It is not an unprimeable number, because it can be changed into a prime (20466026506403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11332239688 + ... + 11332241493.

It is an arithmetic number, because the mean of its divisors is an integer number (1994474344016).

Almost surely, 2^{20466026506443} is an apocalyptic number.

20466026506443 is a deficient number, since it is larger than the sum of its proper divisors (11445562997813).

20466026506443 is a wasteful number, since it uses less digits than its factorization.

20466026506443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22664481234.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 20466026506443 in words is "twenty trillion, four hundred sixty-six billion, twenty-six million, five hundred six thousand, four hundred forty-three".