20578357327 has 8 divisors (see below), whose sum is σ = 22464910080. Its totient is φ = 18694436760.

The previous prime is 20578357313. The next prime is 20578357337. The reversal of 20578357327 is 72375387502.

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 20578357327 - 2²³ = 20569968719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20578357337) 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, 641677 + ... + 672982.

It is an arithmetic number, because the mean of its divisors is an integer number (2808113760).

Almost surely, 2^20578357327 is an apocalyptic number.

20578357327 is a deficient number, since it is larger than the sum of its proper divisors (1886552753).

20578357327 is a wasteful number, since it uses less digits than its factorization.

20578357327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316093.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 20578357327 in words is "twenty billion, five hundred seventy-eight million, three hundred fifty-seven thousand, three hundred twenty-seven".