20016916146880 has 112 divisors (see below), whose sum is σ = 49414048130304. Its totient is φ = 7715227484160.

The previous prime is 20016916146853. The next prime is 20016916146881. The reversal of 20016916146880 is 8864161961002.

It is not an unprimeable number, because it can be changed into a prime (20016916146881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018757 + ... + 6641476.

Almost surely, 2^{20016916146880} is an apocalyptic number.

20016916146880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20016916146880 is an abundant number, since it is smaller than the sum of its proper divisors (29397131983424).

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

20016916146880 is a wasteful number, since it uses less digits than its factorization.

20016916146880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660514 (or 8660504 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 20016916146880 in words is "twenty trillion, sixteen billion, nine hundred sixteen million, one hundred forty-six thousand, eight hundred eighty".