20570482089 has 20 divisors (see below), whose sum is σ = 30790386000. Its totient is φ = 13686145560.

The previous prime is 20570482073. The next prime is 20570482099. The reversal of 20570482089 is 98028407502.

20570482089 is a `hidden beast` number, since 20 + 5 + 70 + 482 + 0 + 89 = 666.

It is not a de Polignac number, because 20570482089 - 2⁴ = 20570482073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20570482099) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214047 + ... + 294884.

It is an arithmetic number, because the mean of its divisors is an integer number (1539519300).

Almost surely, 2^20570482089 is an apocalyptic number.

It is an amenable number.

20570482089 is a deficient number, since it is larger than the sum of its proper divisors (10219903911).

20570482089 is an equidigital number, since it uses as much as digits as its factorization.

20570482089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509442 (or 509433 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 20570482089 in words is "twenty billion, five hundred seventy million, four hundred eighty-two thousand, eighty-nine".