20415835116 has 36 divisors (see below), whose sum is σ = 51638914600. Its totient is φ = 6801029568.

The previous prime is 20415835087. The next prime is 20415835123. The reversal of 20415835116 is 61153851402.

20415835116 is a `hidden beast` number, since 20 + 4 + 1 + 583 + 51 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 118306 + ... + 234153.

Almost surely, 2^20415835116 is an apocalyptic number.

It is an amenable number.

20415835116 is an abundant number, since it is smaller than the sum of its proper divisors (31223079484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20415835116 is a wasteful number, since it uses less digits than its factorization.

20415835116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354078 (or 354073 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 20415835116 in words is "twenty billion, four hundred fifteen million, eight hundred thirty-five thousand, one hundred sixteen".