20114432515 has 32 divisors (see below), whose sum is σ = 25279672320. Its totient is φ = 15350419200.

The previous prime is 20114432501. The next prime is 20114432531. The reversal of 20114432515 is 51523441102.

It is a de Polignac number, because none of the positive numbers 2^k-20114432515 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2305792 + ... + 2314498.

It is an arithmetic number, because the mean of its divisors is an integer number (789989760).

Almost surely, 2^20114432515 is an apocalyptic number.

20114432515 is a deficient number, since it is larger than the sum of its proper divisors (5165239805).

20114432515 is a wasteful number, since it uses less digits than its factorization.

20114432515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003.

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

Adding to 20114432515 its reverse (51523441102), we get a palindrome (71637873617).

The spelling of 20114432515 in words is "twenty billion, one hundred fourteen million, four hundred thirty-two thousand, five hundred fifteen".