4405123205220 has 96 divisors (see below), whose sum is σ = 12805732396800. Its totient is φ = 1130097959424.

The previous prime is 4405123205179. The next prime is 4405123205317. The reversal of 4405123205220 is 225023215044.

It is a super-2 number, since 2×4405123205220² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 4087840 + ... + 5051799.

It is an arithmetic number, because the mean of its divisors is an integer number (133393045800).

Almost surely, 2^{4405123205220} is an apocalyptic number.

It is an amenable number.

4405123205220 is an abundant number, since it is smaller than the sum of its proper divisors (8400609191580).

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

4405123205220 is a wasteful number, since it uses less digits than its factorization.

4405123205220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139957 (or 9139955 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 4405123205220 in words is "four trillion, four hundred five billion, one hundred twenty-three million, two hundred five thousand, two hundred twenty".