210266420013 has 24 divisors (see below), whose sum is σ = 327840065280. Its totient is φ = 129094469280.

The previous prime is 210266419991. The next prime is 210266420041. The reversal of 210266420013 is 310024662012.

210266420013 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 6 + 642 + 0 + 0 + 13 = 666.

It is not a de Polignac number, because 210266420013 - 2⁹ = 210266419501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210266420113) 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, 2034433 + ... + 2135286.

It is an arithmetic number, because the mean of its divisors is an integer number (13660002720).

Almost surely, 2^210266420013 is an apocalyptic number.

It is an amenable number.

210266420013 is a deficient number, since it is larger than the sum of its proper divisors (117573645267).

210266420013 is a wasteful number, since it uses less digits than its factorization.

210266420013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170169 (or 4170166 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 210266420013 in words is "two hundred ten billion, two hundred sixty-six million, four hundred twenty thousand, thirteen".