20342575209616 has 40 divisors (see below), whose sum is σ = 44383800469248. Its totient is φ = 8948346864000.

The previous prime is 20342575209613. The next prime is 20342575209617. The reversal of 20342575209616 is 61690257524302.

It is not an unprimeable number, because it can be changed into a prime (20342575209613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864233475 + ... + 1864244386.

Almost surely, 2^{20342575209616} is an apocalyptic number.

It is an amenable number.

20342575209616 is an abundant number, since it is smaller than the sum of its proper divisors (24041225259632).

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

20342575209616 is a wasteful number, since it uses less digits than its factorization.

20342575209616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728477911 (or 3728477905 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 20342575209616 in words is "twenty trillion, three hundred forty-two billion, five hundred seventy-five million, two hundred nine thousand, six hundred sixteen".