20236573427 has 8 divisors (see below), whose sum is σ = 23167599456. Its totient is φ = 17315569152.

The previous prime is 20236573387. The next prime is 20236573459. The reversal of 20236573427 is 72437563202.

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

It is not a de Polignac number, because 20236573427 - 2²⁸ = 19968137971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20236573327) 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, 2501108 + ... + 2509185.

It is an arithmetic number, because the mean of its divisors is an integer number (2895949932).

Almost surely, 2^20236573427 is an apocalyptic number.

20236573427 is a deficient number, since it is larger than the sum of its proper divisors (2931026029).

20236573427 is an equidigital number, since it uses as much as digits as its factorization.

20236573427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010877.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 20236573427 in words is "twenty billion, two hundred thirty-six million, five hundred seventy-three thousand, four hundred twenty-seven".