20266457071 has 24 divisors (see below), whose sum is σ = 24382517600. Its totient is φ = 16489163520.

The previous prime is 20266457053. The next prime is 20266457083. The reversal of 20266457071 is 17075466202.

It is not a de Polignac number, because 20266457071 - 2⁵ = 20266457039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20266457051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412105 + ... + 458653.

Almost surely, 2^20266457071 is an apocalyptic number.

20266457071 is a deficient number, since it is larger than the sum of its proper divisors (4116060529).

20266457071 is an equidigital number, since it uses as much as digits as its factorization.

20266457071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46675 (or 46634 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20266457071 in words is "twenty billion, two hundred sixty-six million, four hundred fifty-seven thousand, seventy-one".