20185387023227 has 16 divisors (see below), whose sum is σ = 21229976862720. Its totient is φ = 19154726835552.

The previous prime is 20185387023211. The next prime is 20185387023287. The reversal of 20185387023227 is 72232078358102.

It is a cyclic number.

It is not a de Polignac number, because 20185387023227 - 2⁴ = 20185387023211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20185387023287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58783349 + ... + 59125737.

It is an arithmetic number, because the mean of its divisors is an integer number (1326873553920).

Almost surely, 2^{20185387023227} is an apocalyptic number.

20185387023227 is a deficient number, since it is larger than the sum of its proper divisors (1044589839493).

20185387023227 is a wasteful number, since it uses less digits than its factorization.

20185387023227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362722.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 20185387023227 in words is "twenty trillion, one hundred eighty-five billion, three hundred eighty-seven million, twenty-three thousand, two hundred twenty-seven".