20575066608 has 60 divisors (see below), whose sum is σ = 59714273528. Its totient is φ = 6858354240.

The previous prime is 20575066607. The next prime is 20575066609. The reversal of 20575066608 is 80666057502.

It is an interprime number because it is at equal distance from previous prime (20575066607) and next prime (20575066609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575066607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2642083 + ... + 2649858.

Almost surely, 2^20575066608 is an apocalyptic number.

It is an amenable number.

20575066608 is an abundant number, since it is smaller than the sum of its proper divisors (39139206920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20575066608 is an equidigital number, since it uses as much as digits as its factorization.

20575066608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291964 (or 5291946 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 20575066608 in words is "twenty billion, five hundred seventy-five million, sixty-six thousand, six hundred eight".