20116756613604 has 96 divisors (see below), whose sum is σ = 55175926821120. Its totient is φ = 5584041994752.

The previous prime is 20116756613581. The next prime is 20116756613617. The reversal of 20116756613604 is 40631665761102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2676219 + ... + 6884450.

It is an arithmetic number, because the mean of its divisors is an integer number (574749237720).

Almost surely, 2^{20116756613604} is an apocalyptic number.

It is an amenable number.

20116756613604 is an abundant number, since it is smaller than the sum of its proper divisors (35059170207516).

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

20116756613604 is a wasteful number, since it uses less digits than its factorization.

20116756613604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561397 (or 9561395 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 20116756613604 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-six million, six hundred thirteen thousand, six hundred four".