20091314938 has 8 divisors (see below), whose sum is σ = 30138278688. Its totient is φ = 10045222044.

The previous prime is 20091314933. The next prime is 20091314953. The reversal of 20091314938 is 83941319002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20091314938.

It is not an unprimeable number, because it can be changed into a prime (20091314933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156606 + ... + 254377.

It is an arithmetic number, because the mean of its divisors is an integer number (3767284836).

Almost surely, 2^20091314938 is an apocalyptic number.

20091314938 is a deficient number, since it is larger than the sum of its proper divisors (10046963750).

20091314938 is a wasteful number, since it uses less digits than its factorization.

20091314938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435428.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 20091314938 in words is "twenty billion, ninety-one million, three hundred fourteen thousand, nine hundred thirty-eight".