20115234514 has 8 divisors (see below), whose sum is σ = 30225881340. Its totient is φ = 10039940736.

The previous prime is 20115234497. The next prime is 20115234551. The reversal of 20115234514 is 41543251102.

It can be written as a sum of positive squares in 2 ways, for example, as 16457041225 + 3658193289 = 128285^2 + 60483^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8836839 + ... + 8839114.

Almost surely, 2^20115234514 is an apocalyptic number.

20115234514 is a deficient number, since it is larger than the sum of its proper divisors (10110646826).

20115234514 is a wasteful number, since it uses less digits than its factorization.

20115234514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17676524.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 20115234514 its reverse (41543251102), we get a palindrome (61658485616).

The spelling of 20115234514 in words is "twenty billion, one hundred fifteen million, two hundred thirty-four thousand, five hundred fourteen".