20595052618 has 16 divisors (see below), whose sum is σ = 35317977984. Its totient is φ = 8823407760.

The previous prime is 20595052607. The next prime is 20595052619. The reversal of 20595052618 is 81625059502.

It is not an unprimeable number, because it can be changed into a prime (20595052619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211318 + ... + 292993.

It is an arithmetic number, because the mean of its divisors is an integer number (2207373624).

Almost surely, 2^20595052618 is an apocalyptic number.

20595052618 is a deficient number, since it is larger than the sum of its proper divisors (14722925366).

20595052618 is a wasteful number, since it uses less digits than its factorization.

20595052618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507237.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 20595052618 in words is "twenty billion, five hundred ninety-five million, fifty-two thousand, six hundred eighteen".