20138333327 has 4 divisors (see below), whose sum is σ = 23015238096. Its totient is φ = 17261428560.

The previous prime is 20138333317. The next prime is 20138333333. The reversal of 20138333327 is 72333383102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20138333327 - 2⁴ = 20138333311 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 (20138333317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438452374 + ... + 1438452387.

It is an arithmetic number, because the mean of its divisors is an integer number (5753809524).

Almost surely, 2^20138333327 is an apocalyptic number.

20138333327 is a deficient number, since it is larger than the sum of its proper divisors (2876904769).

20138333327 is an equidigital number, since it uses as much as digits as its factorization.

20138333327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876904768.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 20138333327 in words is "twenty billion, one hundred thirty-eight million, three hundred thirty-three thousand, three hundred twenty-seven".