16287204502220 has 48 divisors (see below), whose sum is σ = 35452956354816. Its totient is φ = 6278563584000.

The previous prime is 16287204502199. The next prime is 16287204502271. The reversal of 16287204502220 is 2220540278261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54352001 + ... + 54650840.

It is an arithmetic number, because the mean of its divisors is an integer number (738603257392).

Almost surely, 2^{16287204502220} is an apocalyptic number.

16287204502220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16287204502220 is an abundant number, since it is smaller than the sum of its proper divisors (19165751852596).

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

16287204502220 is a wasteful number, since it uses less digits than its factorization.

16287204502220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109003122 (or 109003120 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 16287204502220 in words is "sixteen trillion, two hundred eighty-seven billion, two hundred four million, five hundred two thousand, two hundred twenty".