20369574859 has 8 divisors (see below), whose sum is σ = 21072996000. Its totient is φ = 19675992000.

The previous prime is 20369574851. The next prime is 20369574881. The reversal of 20369574859 is 95847596302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20369574859 - 2³ = 20369574851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20369574851) 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, 2455359 + ... + 2463640.

It is an arithmetic number, because the mean of its divisors is an integer number (2634124500).

Almost surely, 2^20369574859 is an apocalyptic number.

20369574859 is a deficient number, since it is larger than the sum of its proper divisors (703421141).

20369574859 is a wasteful number, since it uses less digits than its factorization.

20369574859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919141.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 20369574859 in words is "twenty billion, three hundred sixty-nine million, five hundred seventy-four thousand, eight hundred fifty-nine".