20116615374 has 24 divisors (see below), whose sum is σ = 43590761760. Its totient is φ = 6704805888.

The previous prime is 20116615369. The next prime is 20116615391. The reversal of 20116615374 is 47351661102.

20116615374 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 6 + 615 + 37 + 4 = 666.

It is a Curzon number.

It is a congruent number.

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, 123342 + ... + 235470.

It is an arithmetic number, because the mean of its divisors is an integer number (1816281740).

Almost surely, 2^20116615374 is an apocalyptic number.

20116615374 is an abundant number, since it is smaller than the sum of its proper divisors (23474146386).

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

20116615374 is a wasteful number, since it uses less digits than its factorization.

20116615374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122104 (or 122101 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20116615374 in words is "twenty billion, one hundred sixteen million, six hundred fifteen thousand, three hundred seventy-four".