20424503115 has 24 divisors (see below), whose sum is σ = 35409890880. Its totient is φ = 10890785664.

The previous prime is 20424503107. The next prime is 20424503129. The reversal of 20424503115 is 51130542402.

20424503115 is a `hidden beast` number, since 2 + 0 + 42 + 4 + 503 + 115 = 666.

It is not a de Polignac number, because 20424503115 - 2³ = 20424503107 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 23 ways as a sum of consecutive naturals, for example, 181719 + ... + 271791.

It is an arithmetic number, because the mean of its divisors is an integer number (1475412120).

Almost surely, 2^20424503115 is an apocalyptic number.

20424503115 is a deficient number, since it is larger than the sum of its proper divisors (14985387765).

20424503115 is a wasteful number, since it uses less digits than its factorization.

20424503115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95123 (or 95120 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20424503115 in words is "twenty billion, four hundred twenty-four million, five hundred three thousand, one hundred fifteen".